[lxc-users] Debian Jessie Host, unprivileged containers fail with "Failed to mount cgroup at /sys/fs/cgroup/systemd: Operation not permitted"

Thomas Dalichow info at thomasdalichow.de
Tue Jun 9 23:58:15 UTC 2015


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Nevermind... I just read [1] ... it does work with the unstable
version of systemd (which is 220-5). A pity though :(

Cheers
Thomas

[1]
https://lists.linuxcontainers.org/pipermail/lxc-users/2015-May/009120.html

On 10.06.2015 01:20, Thomas Dalichow wrote:
> Hi folks,
> 
> I, by now, have been struggeling to get some unprivileged
> container started on a recent Debian Jessie.
> 
> To get the facts straight, I shall provide some information on my 
> system as well as every configuration relevant to the container at
> the end of this mail. The 'strace' as well as the lxc-start logfile
> do contain the starting of the container as well as killing it
> after being non-responsive by the means of 'lxc-stop':
> 
> 
> --- lxc-start logfile (see at the end of this mail): # lxc-start
> --logpriority=DEBUG --logfile ./lxc-start.log --name ct1 Failed to
> mount cgroup at /sys/fs/cgroup/systemd: Operation not permitted #
> lxc-stop --name ct1 ---
> 
> --- strace logfile (see at the end of this mail): # strace -o
> ./container.strace.log lxc-start --name ct1 Failed to mount cgroup
> at /sys/fs/cgroup/systemd: Operation not permitted # lxc-stop
> --name ct1 ---
> 
> I shall also provide information on how I did set the container
> up:
> 
> --- $ echo 1 > /proc/sys/kernel/unprivileged_userns_clone $ adduser
> --disabled-password --uid 1000 --gid 1000 ct1 $ usermod
> --add-subuids 100000-165536 ct1 $ usermod --add-subgids
> 100000-165536 ct1 $ chmod +x /home/ct1 $ echo "ct1 veth br0 2" >>
> /etc/lxc/lxc-usernet $ cgm create all ct1 $ cgm chown all ct1 1000
> 1000 ---
> 
> --- as unrprivileged user 'ct1' # cgm movepid all ct1 $$ #
> lxc-start --name ct1 ---
> 
> Does anyone have a clue as to what may cause this error? My
> research on the net led me to conclude that it may have something
> to do with the systemd cgroups or that - in general - systemd and
> lxc do not play well together...
> 
> Any clue is heavily appreciated!
> 
> Cheers Thomas
> 
> 
> 
> 
> Following: configuration files, log files and system environment
> 
> --- $ uname -v && uname -r #1 SMP Debian 3.16.7-ckt9-3~deb8u1
> (2015-04-24) 3.16.0-4-amd64 ---
> 
> --- $ lxc-checkconfig Kernel configuration not found at
> /proc/config.gz; searching... Kernel configuration found at
> /boot/config-3.16.0-4-amd64 --- Namespaces --- Namespaces: enabled 
> Utsname namespace: enabled Ipc namespace: enabled Pid namespace:
> enabled User namespace: enabled Network namespace: enabled Multiple
> /dev/pts instances: enabled
> 
> --- Control groups --- Cgroup: enabled Cgroup clone_children flag:
> enabled Cgroup device: enabled Cgroup sched: enabled Cgroup cpu
> account: enabled Cgroup memory controller: enabled Cgroup cpuset:
> enabled
> 
> --- Misc --- Veth pair device: enabled Macvlan: enabled Vlan:
> enabled File capabilities: enabled ---
> 
> --- $ aptitude show lxc Version: 1:1.0.6-6 ---
> 
> --- $ cgmanager --version cgmanager 0.33 ---
> 
> --- $ cat /home/[user]/.local/share/lxc/ct1/config # Distribution
> configuration lxc.include =
> /usr/share/lxc/config/debian.common.conf lxc.include =
> /usr/share/lxc/config/debian.userns.conf lxc.arch = x86_64
> 
> # Container specific configuration lxc.id_map = u 0 100000 65536 
> lxc.id_map = g 0 100000 65536 lxc.rootfs =
> /home/ct1/.local/share/lxc/ct1/rootfs lxc.utsname = ct1
> 
> ## Network lxc.network.type                        = veth 
> lxc.network.veth.pair                   = veth1 lxc.network.flags
> = up lxc.network.hwaddr                      = 00:50:56:**:**:** 
> lxc.network.link                        = br0 lxc.network.name
> = eth0
> 
> #lxc.mount.auto = sys ---
> 
> --- $ cat /usr/share/lxc/config/debian.common.conf # Default pivot
> location lxc.pivotdir = lxc_putold
> 
> # Default mount entries lxc.mount.entry = proc proc proc
> nodev,noexec,nosuid 0 0 lxc.mount.entry = sysfs sys sysfs ro 0 0
> 
> # Default console settings lxc.tty = 4 lxc.pts = 1024
> 
> # Default capabilities lxc.cap.drop = sys_module mac_admin
> mac_override sys_time
> 
> # When using LXC with apparmor, the container will be confined by 
> default. # If you wish for it to instead run unconfined, copy the
> following line # (uncommented) to the container's configuration
> file. #lxc.aa_profile = unconfined
> 
> # To support container nesting on an Ubuntu host while retaining
> most of # apparmor's added security, use the following two lines
> instead. #lxc.aa_profile = lxc-container-default-with-nesting 
> #lxc.hook.mount = /usr/share/lxc/hooks/mountcgroups
> 
> # If you wish to allow mounting block filesystems, then use the 
> following # line instead, and make sure to grant access to the
> block device and/or loop # devices below in
> lxc.cgroup.devices.allow. #lxc.aa_profile =
> lxc-container-default-with-mounting
> 
> # Default cgroup limits lxc.cgroup.devices.deny = a ## Allow any
> mknod (but not using the node) lxc.cgroup.devices.allow = c *:* m 
> lxc.cgroup.devices.allow = b *:* m ## /dev/null and zero 
> lxc.cgroup.devices.allow = c 1:3 rwm lxc.cgroup.devices.allow = c
> 1:5 rwm ## consoles lxc.cgroup.devices.allow = c 5:0 rwm 
> lxc.cgroup.devices.allow = c 5:1 rwm ## /dev/{,u}random 
> lxc.cgroup.devices.allow = c 1:8 rwm lxc.cgroup.devices.allow = c
> 1:9 rwm ## /dev/pts/* lxc.cgroup.devices.allow = c 5:2 rwm 
> lxc.cgroup.devices.allow = c 136:* rwm ## rtc 
> lxc.cgroup.devices.allow = c 254:0 rm ## fuse 
> lxc.cgroup.devices.allow = c 10:229 rwm ## tun 
> lxc.cgroup.devices.allow = c 10:200 rwm ## full 
> lxc.cgroup.devices.allow = c 1:7 rwm ## hpet 
> lxc.cgroup.devices.allow = c 10:228 rwm ## kvm 
> lxc.cgroup.devices.allow = c 10:232 rwm ## To use loop devices,
> copy the following line to the container's ## configuration file
> (uncommented). #lxc.cgroup.devices.allow = b 7:* rwm
> 
> # Blacklist some syscalls which are not safe in privileged #
> containers lxc.seccomp = /usr/share/lxc/config/common.seccomp
> 
> lxc.autodev = 1 lxc.kmsg = 0 ---
> 
> --- $ cat /usr/share/lxc/config/debian.userns.conf # CAP_SYS_ADMIN
> in init-user-ns is required for cgroup.devices 
> lxc.cgroup.devices.deny = lxc.cgroup.devices.allow =
> 
> # Extra bind-mounts for userns lxc.mount.entry = /dev/console
> dev/console none bind,create=file 0 0 lxc.mount.entry = /dev/full
> dev/full none bind,create=file 0 0 lxc.mount.entry = /dev/null
> dev/null none bind,create=file 0 0 lxc.mount.entry = /dev/random
> dev/random none bind,create=file 0 0 lxc.mount.entry = /dev/tty
> dev/tty none bind,create=file 0 0 lxc.mount.entry = /dev/urandom
> dev/urandom none bind,create=file 0 0 lxc.mount.entry = /dev/zero
> dev/zero none bind,create=file 0 0
> 
> # Default seccomp policy is not needed for unprivileged containers,
> and # non-root users cannot use seccmp without NNP anyway. 
> lxc.seccomp = ---
> 
> --- container.strace.log execve("/usr/bin/lxc-start", ["lxc-start",
> "-n", "ct1"], [/* 15 vars */]) = 0 brk(0)
> = 0x111c000 access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No
> such file or directory) mmap(NULL, 8192, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe0af7fa000 
> access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file
> or directory) open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3 
> fstat(3, {st_mode=S_IFREG|0644, st_size=17744, ...}) = 0 mmap(NULL,
> 17744, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fe0af7f5000 close(3)
> = 0 access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such
> file or directory) open("/usr/lib/x86_64-linux-gnu/liblxc.so.1",
> O_RDONLY|O_CLOEXEC) = 3 read(3, 
> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260\352\0\0\0\0\0\0"...,
>
> 
832) = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=463960, ...}) = 0 
> mmap(NULL, 2559064, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE,
> 3, 0) = 0x7fe0af36b000 mprotect(0x7fe0af3d8000, 2093056, PROT_NONE)
> = 0 mmap(0x7fe0af5d7000, 20480, PROT_READ|PROT_WRITE, 
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6c000) = 0x7fe0af5d7000 
> close(3)                                = 0 
> access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file
> or directory) open("/lib/x86_64-linux-gnu/libcap.so.2",
> O_RDONLY|O_CLOEXEC) = 3 read(3, 
> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0p\26\0\0\0\0\0\0"...,
>
> 
832) = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=19016, ...}) = 0 mmap(NULL,
> 2114224, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
> 0x7fe0af166000 mprotect(0x7fe0af16a000, 2093056, PROT_NONE) = 0 
> mmap(0x7fe0af369000, 8192, PROT_READ|PROT_WRITE, 
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7fe0af369000 
> close(3)                                = 0 
> access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file
> or directory) open("/usr/lib/x86_64-linux-gnu/libapparmor.so.1",
> O_RDONLY|O_CLOEXEC) = 3 read(3, 
> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\340\31\0\0\0\0\0\0"...,
> 832) = 832 fstat(3, {st_mode=S_IFREG|0644, st_size=52072, ...}) =
> 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
> -1, 0) = 0x7fe0af7f4000 mmap(NULL, 2147376, PROT_READ|PROT_EXEC,
> MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fe0aef59000 
> mprotect(0x7fe0aef65000, 2093056, PROT_NONE) = 0 
> mmap(0x7fe0af164000, 8192, PROT_READ|PROT_WRITE, 
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xb000) = 0x7fe0af164000 
> close(3)                                = 0 
> access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file
> or directory) open("/lib/x86_64-linux-gnu/libselinux.so.1",
> O_RDONLY|O_CLOEXEC) = 3 read(3, 
> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\20c\0\0\0\0\0\0"...,
>
> 
832) = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=142728, ...}) = 0 
> mmap(NULL, 2246896, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE,
> 3, 0) = 0x7fe0aed34000 mprotect(0x7fe0aed55000, 2097152, PROT_NONE)
> = 0 mmap(0x7fe0aef55000, 8192, PROT_READ|PROT_WRITE, 
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x21000) = 0x7fe0aef55000 
> mmap(0x7fe0aef57000, 6384, PROT_READ|PROT_WRITE, 
> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fe0aef57000 
> close(3)                                = 0 
> access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file
> or directory) open("/usr/lib/x86_64-linux-gnu/libseccomp.so.2",
> O_RDONLY|O_CLOEXEC) = 3 read(3, 
> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260\215\0\0\0\0\0\0"...,
>
> 
832) = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=92544, ...}) = 0 mmap(NULL,
> 2187808, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
> 0x7fe0aeb1d000 mprotect(0x7fe0aeb2e000, 2097152, PROT_NONE) = 0 
> mmap(0x7fe0aed2e000, 24576, PROT_READ|PROT_WRITE, 
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x11000) = 0x7fe0aed2e000 
> close(3)                                = 0 
> access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file
> or directory) open("/lib/x86_64-linux-gnu/libutil.so.1",
> O_RDONLY|O_CLOEXEC) = 3 read(3, 
> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\20\17\0\0\0\0\0\0"...,
>
> 
832) = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=10680, ...}) = 0 mmap(NULL,
> 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x7fe0af7f3000 mmap(NULL, 2105624, PROT_READ|PROT_EXEC,
> MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fe0ae91a000 
> mprotect(0x7fe0ae91c000, 2093056, PROT_NONE) = 0 
> mmap(0x7fe0aeb1b000, 8192, PROT_READ|PROT_WRITE, 
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0x7fe0aeb1b000 
> close(3)                                = 0 
> access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file
> or directory) open("/lib/x86_64-linux-gnu/libpthread.so.0",
> O_RDONLY|O_CLOEXEC) = 3 read(3, 
> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\20o\0\0\0\0\0\0"...,
>
> 
832) = 832
> fstat(3, {st_mode=S_IFREG|0755, st_size=137440, ...}) = 0 
> mmap(NULL, 2213008, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE,
> 3, 0) = 0x7fe0ae6fd000 mprotect(0x7fe0ae715000, 2093056, PROT_NONE)
> = 0 mmap(0x7fe0ae914000, 8192, PROT_READ|PROT_WRITE, 
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x17000) = 0x7fe0ae914000 
> mmap(0x7fe0ae916000, 13456, PROT_READ|PROT_WRITE, 
> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fe0ae916000 
> close(3)                                = 0 
> access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file
> or directory) open("/lib/x86_64-linux-gnu/libc.so.6",
> O_RDONLY|O_CLOEXEC) = 3 read(3, 
> "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0P\34\2\0\0\0\0\0"...,
>
> 
832) = 832
> fstat(3, {st_mode=S_IFREG|0755, st_size=1729984, ...}) = 0 
> mmap(NULL, 3836448, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE,
> 3, 0) = 0x7fe0ae354000 mprotect(0x7fe0ae4f3000, 2097152, PROT_NONE)
> = 0 mmap(0x7fe0ae6f3000, 24576, PROT_READ|PROT_WRITE, 
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x19f000) = 0x7fe0ae6f3000 
> mmap(0x7fe0ae6f9000, 14880, PROT_READ|PROT_WRITE, 
> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fe0ae6f9000 
> close(3)                                = 0 
> access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file
> or directory) open("/lib/x86_64-linux-gnu/libattr.so.1",
> O_RDONLY|O_CLOEXEC) = 3 read(3, 
> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\320\23\0\0\0\0\0\0"...,
> 832) = 832 fstat(3, {st_mode=S_IFREG|0644, st_size=18640, ...}) =
> 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
> -1, 0) = 0x7fe0af7f2000 mmap(NULL, 2113912, PROT_READ|PROT_EXEC,
> MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fe0ae14f000 
> mprotect(0x7fe0ae153000, 2093056, PROT_NONE) = 0 
> mmap(0x7fe0ae352000, 8192, PROT_READ|PROT_WRITE, 
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7fe0ae352000 
> close(3)                                = 0 
> access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file
> or directory) open("/lib/x86_64-linux-gnu/libpcre.so.3",
> O_RDONLY|O_CLOEXEC) = 3 read(3, 
> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\20\27\0\0\0\0\0\0"...,
>
> 
832) = 832
> fstat(3, {st_mode=S_IFREG|0644, st_size=448440, ...}) = 0 
> mmap(NULL, 2543976, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE,
> 3, 0) = 0x7fe0adee1000 mprotect(0x7fe0adf4d000, 2097152, PROT_NONE)
> = 0 mmap(0x7fe0ae14d000, 8192, PROT_READ|PROT_WRITE, 
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6c000) = 0x7fe0ae14d000 
> close(3)                                = 0 
> access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file
> or directory) open("/lib/x86_64-linux-gnu/libdl.so.2",
> O_RDONLY|O_CLOEXEC) = 3 read(3, 
> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\320\16\0\0\0\0\0\0"...,
> 832) = 832 fstat(3, {st_mode=S_IFREG|0644, st_size=14664, ...}) =
> 0 mmap(NULL, 2109712, PROT_READ|PROT_EXEC,
> MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fe0adcdd000 
> mprotect(0x7fe0adce0000, 2093056, PROT_NONE) = 0 
> mmap(0x7fe0adedf000, 8192, PROT_READ|PROT_WRITE, 
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7fe0adedf000 
> close(3)                                = 0 mmap(NULL, 4096,
> PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x7fe0af7f1000 mmap(NULL, 4096, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe0af7f0000 mmap(NULL, 8192,
> PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x7fe0af7ee000 arch_prctl(ARCH_SET_FS, 0x7fe0af7ee880) = 0 
> mprotect(0x7fe0ae6f3000, 16384, PROT_READ) = 0 
> mprotect(0x7fe0adedf000, 4096, PROT_READ) = 0 
> mprotect(0x7fe0ae914000, 4096, PROT_READ) = 0 
> mprotect(0x7fe0ae14d000, 4096, PROT_READ) = 0 
> mprotect(0x7fe0ae352000, 4096, PROT_READ) = 0 
> mprotect(0x7fe0aeb1b000, 4096, PROT_READ) = 0 
> mprotect(0x7fe0aed2e000, 20480, PROT_READ) = 0 
> mprotect(0x7fe0aef55000, 4096, PROT_READ) = 0 
> mprotect(0x7fe0af164000, 4096, PROT_READ) = 0 
> mprotect(0x7fe0af369000, 4096, PROT_READ) = 0 
> mprotect(0x7fe0af5d7000, 12288, PROT_READ) = 0 mprotect(0x602000,
> 4096, PROT_READ)     = 0 mprotect(0x7fe0af7fc000, 4096, PROT_READ)
> = 0 munmap(0x7fe0af7f5000, 17744)           = 0 
> set_tid_address(0x7fe0af7eeb50)         = 1870 
> set_robust_list(0x7fe0af7eeb60, 24)     = 0 rt_sigaction(SIGRTMIN,
> {0x7fe0ae7039f0, [], SA_RESTORER|SA_SIGINFO, 0x7fe0ae70c8d0}, NULL,
> 8) = 0 rt_sigaction(SIGRT_1, {0x7fe0ae703a80, [], 
> SA_RESTORER|SA_RESTART|SA_SIGINFO, 0x7fe0ae70c8d0}, NULL, 8) = 0 
> rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 
> getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, 
> rlim_max=RLIM64_INFINITY}) = 0 statfs("/sys/fs/selinux",
> 0x7ffc18eee030) = -1 ENOENT (No such file or directory) 
> statfs("/selinux", 0x7ffc18eee030)      = -1 ENOENT (No such file
> or directory) brk(0)                                  = 0x111c000 
> brk(0x113d000)                          = 0x113d000 
> open("/proc/filesystems", O_RDONLY)     = 3 fstat(3,
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 mmap(NULL, 4096,
> PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x7fe0af7f9000 read(3, "nodev\tsysfs\nnodev\trootfs\nnodev\tr"...,
> 1024) = 262 read(3, "", 1024)                       = 0 close(3)
> = 0 munmap(0x7fe0af7f9000, 4096)            = 0 
> stat("/sys/kernel/security/apparmor/features/mount/mask", 
> 0x7ffc18eee040) = -1 ENOENT (No such file or directory) getuid()
> = 1000 getgid()                                = 1000 geteuid()
> = 1000 geteuid()                               = 1000 
> open("/home/ct1/.config/lxc/lxc.conf", O_RDONLY|O_CLOEXEC) = -1
> ENOENT (No such file or directory) geteuid()
> = 1000 access("/home/ct1/.local/share/lxc/ct1/config", F_OK) = 0 
> geteuid()                               = 1000 mkdir("/", 0755)
> = -1 EEXIST (File exists) mkdir("/home/", 0755)                   =
> -1 EEXIST (File exists) mkdir("/home/ct1/", 0755)               =
> -1 EEXIST (File exists) mkdir("/home/ct1/.cache/", 0755)        =
> -1 EEXIST (File exists) mkdir("/home/ct1/.cache/lxc/", 0755)    =
> -1 EEXIST (File exists) mkdir("/home/ct1/.cache/lxc/run//", 0755) =
> -1 EEXIST (File exists) mkdir("/home/ct1/.cache/lxc/run//lock/",
> 0755) = -1 EEXIST (File exists) 
> mkdir("/home/ct1/.cache/lxc/run//lock/lxc//", 0755) = -1 EEXIST
> (File exists) mkdir("/home/ct1/.cache/lxc/run//lock/lxc//home/",
> 0755) = -1 EEXIST (File exists) 
> mkdir("/home/ct1/.cache/lxc/run//lock/lxc//home/ct1/", 0755) = -1 
> EEXIST (File exists) 
> mkdir("/home/ct1/.cache/lxc/run//lock/lxc//home/ct1/.local/", 0755)
> = -1 EEXIST (File exists) 
> mkdir("/home/ct1/.cache/lxc/run//lock/lxc//home/ct1/.local/share/",
>
> 
0755) = -1 EEXIST (File exists)
> mkdir("/home/ct1/.cache/lxc/run//lock/lxc//home/ct1/.local/share/lxc",
>
> 
0755) = -1 EEXIST (File exists)
> stat("/home/ct1/.local/share/lxc/ct1/config",
> {st_mode=S_IFREG|0644, st_size=867, ...}) = 0 
> open("/home/ct1/.cache/lxc/run//lock/lxc//home/ct1/.local/share/lxc/ct1",
>
> 
O_RDWR|O_CREAT, 0600) = 3
> fcntl(3, F_SETLKW, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0})
> = 0 access("/home/ct1/.local/share/lxc/ct1/config", R_OK) = 0 
> open("/home/ct1/.local/share/lxc/ct1/config", O_RDONLY) = 4 
> fstat(4, {st_mode=S_IFREG|0644, st_size=867, ...}) = 0 mmap(NULL,
> 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x7fe0af7f9000 read(4, "# Template used to create this c"..., 4096)
> = 867 access("/usr/share/lxc/config/debian.common.conf", R_OK) = 0 
> open("/usr/share/lxc/config/debian.common.conf", O_RDONLY) = 5 
> fstat(5, {st_mode=S_IFREG|0644, st_size=2148, ...}) = 0 mmap(NULL,
> 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x7fe0af7f8000 read(5, "# Default pivot location\nlxc.piv"...,
> 4096) = 2148 read(5, "", 4096)                       = 0 close(5)
> = 0 munmap(0x7fe0af7f8000, 4096)            = 0 
> access("/usr/share/lxc/config/debian.userns.conf", R_OK) = 0 
> open("/usr/share/lxc/config/debian.userns.conf", O_RDONLY) = 5 
> fstat(5, {st_mode=S_IFREG|0644, st_size=745, ...}) = 0 mmap(NULL,
> 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x7fe0af7f8000 read(5, "# CAP_SYS_ADMIN in init-user-ns "..., 4096)
> = 745 read(5, "", 4096)                       = 0 close(5)
> = 0 munmap(0x7fe0af7f8000, 4096)            = 0 
> open("/dev/urandom", O_RDONLY)          = 5 fstat(5,
> {st_mode=S_IFCHR|0666, st_rdev=makedev(1, 9), ...}) = 0 ioctl(5,
> SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS,
> 0x7ffc18eedc00) = -1 EINVAL (Invalid argument) mmap(NULL, 4096,
> PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x7fe0af7f8000 read(5,
> "\16\245f\37\25\5\212\372\32\345UMR\360\217\7\314 
> \324K\254\233\314z\363\257\335I)T[M"..., 4096) = 4096 close(5)
> = 0 munmap(0x7fe0af7f8000, 4096)            = 0 read(4, "", 4096)
> = 0 close(4)                                = 0 
> munmap(0x7fe0af7f9000, 4096)            = 0 fcntl(3, F_SETLK,
> {type=F_UNLCK, whence=SEEK_SET, start=0, len=0}) = 0 close(3)
> = 0 stat("/home/ct1/.local/share/lxc/ct1/partial", 0x7ffc18eedea0)
> = -1 ENOENT (No such file or directory) 
> stat("/home/ct1/.local/share/lxc/ct1/partial", 0x7ffc18eeddd0) =
> -1 ENOENT (No such file or directory) openat(AT_FDCWD,
> "/proc/self/task", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3 
> getdents(3, /* 3 entries */, 32768)     = 72 getdents(3, /* 0
> entries */, 32768)     = 0 close(3)
> = 0 openat(AT_FDCWD, "/proc/self/fd", 
> O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3 getdents(3, /* 6
> entries */, 32768)     = 144 getdents(3, /* 0 entries */, 32768)
> = 0 close(3)                                = 0 socket(PF_LOCAL,
> SOCK_STREAM, 0)        = 3 bind(3, {sa_family=AF_LOCAL, 
> sun_path=@"/home/ct1/.local/share/lxc/ct1/command"}, 41) = 0 
> listen(3, 100)                          = 0 fcntl(3, F_SETFD,
> FD_CLOEXEC)           = 0 geteuid()                               =
> 1000 
> open("/home/ct1/.cache/lxc/run//lxc//home/ct1/.local/share/lxc/monitor-fifo",
>
> 
O_WRONLY|O_NONBLOCK) = -1 ENOENT (No such file or directory)
> open("/dev/ptmx", O_RDWR)               = 4 statfs("/dev/pts",
> {f_type="DEVPTS_SUPER_MAGIC", f_bsize=4096, f_blocks=0, f_bfree=0,
> f_bavail=0, f_files=0, f_ffree=0, f_fsid={0, 0}, f_namelen=255,
> f_frsize=4096}) = 0 ioctl(4, SNDCTL_TMR_TIMEBASE or
> SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B38400 opost isig icanon
> echo ...}) = 0 ioctl(4, TIOCGPTN, [2])                 = 0 
> stat("/dev/pts/2", {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 2), 
> ...}) = 0 getuid()                                = 1000 
> socket(PF_LOCAL, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0) = 5 
> connect(5, {sa_family=AF_LOCAL, sun_path="/var/run/nscd/socket"},
> 110) = -1 ENOENT (No such file or directory) close(5)
> = 0 socket(PF_LOCAL, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0) =
> 5 connect(5, {sa_family=AF_LOCAL, sun_path="/var/run/nscd/socket"},
> 110) = -1 ENOENT (No such file or directory) close(5)
> = 0 open("/etc/nsswitch.conf", O_RDONLY|O_CLOEXEC) = 5 fstat(5,
> {st_mode=S_IFREG|0644, st_size=497, ...}) = 0 mmap(NULL, 4096,
> PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x7fe0af7f9000 read(5, "# /etc/nsswitch.conf\n#\n# Example"...,
> 4096) = 497 read(5, "", 4096)                       = 0 close(5)
> = 0 munmap(0x7fe0af7f9000, 4096)            = 0 
> open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 5 fstat(5,
> {st_mode=S_IFREG|0644, st_size=17744, ...}) = 0 mmap(NULL, 17744,
> PROT_READ, MAP_PRIVATE, 5, 0) = 0x7fe0af7f5000 close(5)
> = 0 access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such
> file or directory) open("/lib/x86_64-linux-gnu/libnss_compat.so.2",
> O_RDONLY|O_CLOEXEC) = 5 read(5, 
> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260\23\0\0\0\0\0\0"...,
> 832) = 832 fstat(5, {st_mode=S_IFREG|0644, st_size=31632, ...}) =
> 0 mmap(NULL, 2126976, PROT_READ|PROT_EXEC,
> MAP_PRIVATE|MAP_DENYWRITE, 5, 0) = 0x7fe0adad5000 
> mprotect(0x7fe0adadc000, 2093056, PROT_NONE) = 0 
> mmap(0x7fe0adcdb000, 8192, PROT_READ|PROT_WRITE, 
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 5, 0x6000) = 0x7fe0adcdb000 
> close(5)                                = 0 
> access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file
> or directory) open("/lib/x86_64-linux-gnu/libnsl.so.1",
> O_RDONLY|O_CLOEXEC) = 5 read(5, 
> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0`A\0\0\0\0\0\0"..., 
> 832) = 832 fstat(5, {st_mode=S_IFREG|0644, st_size=89104, ...}) =
> 0 mmap(NULL, 2194072, PROT_READ|PROT_EXEC,
> MAP_PRIVATE|MAP_DENYWRITE, 5, 0) = 0x7fe0ad8bd000 
> mprotect(0x7fe0ad8d2000, 2093056, PROT_NONE) = 0 
> mmap(0x7fe0adad1000, 8192, PROT_READ|PROT_WRITE, 
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 5, 0x14000) = 0x7fe0adad1000 
> mmap(0x7fe0adad3000, 6808, PROT_READ|PROT_WRITE, 
> MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fe0adad3000 
> close(5)                                = 0 
> mprotect(0x7fe0adad1000, 4096, PROT_READ) = 0 
> mprotect(0x7fe0adcdb000, 4096, PROT_READ) = 0 
> munmap(0x7fe0af7f5000, 17744)           = 0 
> open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 5 fstat(5,
> {st_mode=S_IFREG|0644, st_size=17744, ...}) = 0 mmap(NULL, 17744,
> PROT_READ, MAP_PRIVATE, 5, 0) = 0x7fe0af7f5000 close(5)
> = 0 access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such
> file or directory) open("/lib/x86_64-linux-gnu/libnss_nis.so.2",
> O_RDONLY|O_CLOEXEC) = 5 read(5, 
> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240!\0\0\0\0\0\0"...,
>
> 
832) = 832
> fstat(5, {st_mode=S_IFREG|0644, st_size=43592, ...}) = 0 mmap(NULL,
> 2139560, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 5, 0) =
> 0x7fe0ad6b2000 mprotect(0x7fe0ad6bc000, 2093056, PROT_NONE) = 0 
> mmap(0x7fe0ad8bb000, 8192, PROT_READ|PROT_WRITE, 
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 5, 0x9000) = 0x7fe0ad8bb000 
> close(5)                                = 0 
> access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file
> or directory) open("/lib/x86_64-linux-gnu/libnss_files.so.2",
> O_RDONLY|O_CLOEXEC) = 5 read(5, 
> "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240\"\0\0\0\0\0\0"...,
>
> 
832) = 832
> fstat(5, {st_mode=S_IFREG|0644, st_size=47712, ...}) = 0 mmap(NULL,
> 2144392, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 5, 0) =
> 0x7fe0ad4a6000 mprotect(0x7fe0ad4b1000, 2093056, PROT_NONE) = 0 
> mmap(0x7fe0ad6b0000, 8192, PROT_READ|PROT_WRITE, 
> MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 5, 0xa000) = 0x7fe0ad6b0000 
> close(5)                                = 0 
> mprotect(0x7fe0ad6b0000, 4096, PROT_READ) = 0 
> mprotect(0x7fe0ad8bb000, 4096, PROT_READ) = 0 
> munmap(0x7fe0af7f5000, 17744)           = 0 open("/etc/group",
> O_RDONLY|O_CLOEXEC)  = 5 lseek(5, 0, SEEK_CUR)                   =
> 0 fstat(5, {st_mode=S_IFREG|0644, st_size=663, ...}) = 0 mmap(NULL,
> 663, PROT_READ, MAP_SHARED, 5, 0) = 0x7fe0af7f9000 lseek(5, 663,
> SEEK_SET)                 = 663 munmap(0x7fe0af7f9000, 663)
> = 0 close(5)                                = 0 ioctl(4,
> TIOCSPTLCK, [0])               = 0 ioctl(4, SNDCTL_TMR_TIMEBASE or
> SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B38400 opost isig icanon
> echo ...}) = 0 ioctl(4, TIOCGPTN, [2])                 = 0 
> stat("/dev/pts/2", {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 2), 
> ...}) = 0 open("/dev/pts/2", O_RDWR|O_NOCTTY)     = 5 fcntl(4,
> F_SETFD, FD_CLOEXEC)           = 0 fcntl(5, F_SETFD, FD_CLOEXEC)
> = 0 open("/dev/ptmx", O_RDWR)               = 6 ioctl(6,
> SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS,
> {B38400 opost isig icanon echo ...}) = 0 ioctl(6, TIOCGPTN, [3])
> = 0 stat("/dev/pts/3", {st_mode=S_IFCHR|0620, st_rdev=makedev(136,
> 3), ...}) = 0 getuid()                                = 1000 
> ioctl(6, TIOCSPTLCK, [0])               = 0 ioctl(6,
> SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS,
> {B38400 opost isig icanon echo ...}) = 0 ioctl(6, TIOCGPTN, [3])
> = 0 stat("/dev/pts/3", {st_mode=S_IFCHR|0620, st_rdev=makedev(136,
> 3), ...}) = 0 open("/dev/pts/3", O_RDWR|O_NOCTTY)     = 7 fcntl(6,
> F_SETFD, FD_CLOEXEC)           = 0 fcntl(7, F_SETFD, FD_CLOEXEC)
> = 0 open("/dev/ptmx", O_RDWR)               = 8 ioctl(8,
> SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS,
> {B38400 opost isig icanon echo ...}) = 0 ioctl(8, TIOCGPTN, [4])
> = 0 stat("/dev/pts/4", {st_mode=S_IFCHR|0620, st_rdev=makedev(136,
> 4), ...}) = 0 getuid()                                = 1000 
> ioctl(8, TIOCSPTLCK, [0])               = 0 ioctl(8,
> SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS,
> {B38400 opost isig icanon echo ...}) = 0 ioctl(8, TIOCGPTN, [4])
> = 0 stat("/dev/pts/4", {st_mode=S_IFCHR|0620, st_rdev=makedev(136,
> 4), ...}) = 0 open("/dev/pts/4", O_RDWR|O_NOCTTY)     = 9 fcntl(8,
> F_SETFD, FD_CLOEXEC)           = 0 fcntl(9, F_SETFD, FD_CLOEXEC)
> = 0 open("/dev/ptmx", O_RDWR)               = 10 ioctl(10,
> SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS,
> {B38400 opost isig icanon echo ...}) = 0 ioctl(10, TIOCGPTN, [5])
> = 0 stat("/dev/pts/5", {st_mode=S_IFCHR|0620, st_rdev=makedev(136,
> 5), ...}) = 0 getuid()                                = 1000 
> ioctl(10, TIOCSPTLCK, [0])              = 0 ioctl(10,
> SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS,
> {B38400 opost isig icanon echo ...}) = 0 ioctl(10, TIOCGPTN, [5])
> = 0 stat("/dev/pts/5", {st_mode=S_IFCHR|0620, st_rdev=makedev(136,
> 5), ...}) = 0 open("/dev/pts/5", O_RDWR|O_NOCTTY)     = 11 
> fcntl(10, F_SETFD, FD_CLOEXEC)          = 0 fcntl(11, F_SETFD,
> FD_CLOEXEC)          = 0 rt_sigprocmask(SIG_BLOCK, ~[ILL BUS SEGV
> WINCH RTMIN RT_1], [], 8) = 0 signalfd4(-1, ~[ILL BUS SEGV WINCH
> RTMIN RT_1], 8, 0) = 12 fcntl(12, F_SETFD, FD_CLOEXEC)          =
> 0 open("/dev/ptmx", O_RDWR)               = 13 ioctl(13,
> SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS,
> {B38400 opost isig icanon echo ...}) = 0 ioctl(13, TIOCGPTN, [6])
> = 0 stat("/dev/pts/6", {st_mode=S_IFCHR|0620, st_rdev=makedev(136,
> 6), ...}) = 0 getuid()                                = 1000 
> ioctl(13, TIOCSPTLCK, [0])              = 0 ioctl(13,
> SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS,
> {B38400 opost isig icanon echo ...}) = 0 ioctl(13, TIOCGPTN, [6])
> = 0 stat("/dev/pts/6", {st_mode=S_IFCHR|0620, st_rdev=makedev(136,
> 6), ...}) = 0 open("/dev/pts/6", O_RDWR|O_NOCTTY)     = 14 
> fcntl(13, F_SETFD, FD_CLOEXEC)          = 0 fcntl(14, F_SETFD,
> FD_CLOEXEC)          = 0 access("/dev/tty", F_OK)                =
> 0 open("/dev/tty", O_RDWR)                = 15 close(15)
> = 0 getuid()                                = 1000 
> capget({_LINUX_CAPABILITY_VERSION_3, 0}, NULL) = 0 
> capget({_LINUX_CAPABILITY_VERSION_3, 0}, {0, 0, 0}) = 0 
> capset({_LINUX_CAPABILITY_VERSION_3, 0}, {0, 0, 0}) = 0 
> open("/dev/tty", O_RDWR|O_CREAT|O_APPEND|O_CLOEXEC, 0600) = 15 
> getuid()                                = 1000 
> capget({_LINUX_CAPABILITY_VERSION_3, 0}, NULL) = 0 
> capget({_LINUX_CAPABILITY_VERSION_3, 0}, {0, 0, 0}) = 0 
> capset({_LINUX_CAPABILITY_VERSION_3, 0}, {0, 0, 0}) = 0 ioctl(15,
> SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS,
> {B38400 opost isig icanon echo ...}) = 0 rt_sigprocmask(SIG_BLOCK,
> [WINCH], ~[ILL BUS KILL SEGV STOP WINCH RTMIN RT_1], 8) = 0 
> signalfd4(-1, [WINCH], 8, 0)            = 16 ioctl(15,
> SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS,
> {B38400 opost isig icanon echo ...}) = 0 ioctl(15, TIOCGWINSZ,
> {ws_row=34, ws_col=92, ws_xpixel=0, ws_ypixel=0}) = 0 ioctl(13,
> SNDRV_TIMER_IOCTL_STATUS or TIOCSWINSZ, {ws_row=34, ws_col=92,
> ws_xpixel=0, ws_ypixel=0}) = 0 ioctl(15, SNDCTL_TMR_TIMEBASE or
> SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B38400 opost isig icanon
> echo ...}) = 0 ioctl(15, SNDCTL_TMR_TIMEBASE or
> SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B38400 opost isig icanon
> echo ...}) = 0 ioctl(15, SNDCTL_TMR_TIMEBASE or
> SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B38400 opost isig icanon
> echo ...}) = 0 ioctl(15, SNDCTL_TMR_CONTINUE or
> SNDRV_TIMER_IOCTL_GPARAMS or TCSETSF, {B38400 opost -isig -icanon
> -echo ...}) = 0 ioctl(15, SNDCTL_TMR_TIMEBASE or
> SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B38400 opost -isig
> -icanon -echo ...}) = 0 geteuid()                               =
> 1000 geteuid()                               = 1000 
> clone(child_stack=0, 
> flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, 
> child_tidptr=0x7fe0af7eeb50) = 1871 wait4(1871, [{WIFEXITED(s) &&
> WEXITSTATUS(s) == 0}], 0, NULL) = 1871 geteuid()
> = 1000 geteuid()                               = 1000 
> clone(child_stack=0, 
> flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, 
> child_tidptr=0x7fe0af7eeb50) = 1877 wait4(1877, [{WIFEXITED(s) &&
> WEXITSTATUS(s) == 0}], 0, NULL) = 1877 geteuid()
> = 1000 geteuid()                               = 1000 
> clone(child_stack=0, 
> flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, 
> child_tidptr=0x7fe0af7eeb50) = 1883 wait4(1883, [{WIFEXITED(s) &&
> WEXITSTATUS(s) == 0}], 0, NULL) = 1883 geteuid()
> = 1000 geteuid()                               = 1000 
> clone(child_stack=0, 
> flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, 
> child_tidptr=0x7fe0af7eeb50) = 1889 wait4(1889, [{WIFEXITED(s) &&
> WEXITSTATUS(s) == 0}], 0, NULL) = 1889 geteuid()
> = 1000 geteuid()                               = 1000 
> clone(child_stack=0, 
> flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, 
> child_tidptr=0x7fe0af7eeb50) = 1895 wait4(1895, [{WIFEXITED(s) &&
> WEXITSTATUS(s) == 0}], 0, NULL) = 1895 
> open("/proc/sys/kernel/ctrl-alt-del", O_RDONLY) = 17 fstat(17,
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 mmap(NULL, 4096,
> PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x7fe0af7f9000 read(17, "0\n", 1024)                   = 2 
> close(17)                               = 0 munmap(0x7fe0af7f9000,
> 4096)            = 0 clone(child_stack=0x7ffc18eedd50, 
> flags=CLONE_NEWUSER|CLONE_NEWPID|SIGCHLD) = 1901 wait4(-1,
> [{WIFEXITED(s) && WEXITSTATUS(s) == 1}], 0, NULL) = 1901 geteuid()
> = 1000 socketpair(PF_LOCAL, SOCK_STREAM, 0, [17, 18]) = 0 fcntl(17,
> F_SETFD, FD_CLOEXEC)          = 0 getuid()
> = 1000 geteuid()                               = 1000 geteuid()
> = 1000 open("/home/ct1/.config/lxc/lxc.conf", O_RDONLY|O_CLOEXEC) =
> -1 ENOENT (No such file or directory) open("/proc/cgroups",
> O_RDONLY|O_CLOEXEC) = 19 fcntl(19, F_GETFL)                      =
> 0x8000 (flags O_RDONLY|O_LARGEFILE) fstat(19,
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 mmap(NULL, 4096,
> PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x7fe0af7f9000 lseek(19, 0, SEEK_CUR)                  = 0 read(19,
> "#subsys_name\thierarchy\tnum_cgrou"..., 1024) = 179 read(19, "",
> 1024)                      = 0 close(19)
> = 0 munmap(0x7fe0af7f9000, 4096)            = 0 
> open("/proc/self/cgroup", O_RDONLY|O_CLOEXEC) = 19 fcntl(19,
> F_GETFL)                      = 0x8000 (flags 
> O_RDONLY|O_LARGEFILE) fstat(19, {st_mode=S_IFREG|0444, st_size=0,
> ...}) = 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe0af7f9000 lseek(19, 0,
> SEEK_CUR)                  = 0 read(19,
> "8:perf_event:/ct1\n7:blkio:/ct1\n6"..., 1024) = 163 read(19, "",
> 1024)                      = 0 close(19)
> = 0 munmap(0x7fe0af7f9000, 4096)            = 0 
> open("/proc/self/mountinfo", O_RDONLY|O_CLOEXEC) = 19 fcntl(19,
> F_GETFL)                      = 0x8000 (flags 
> O_RDONLY|O_LARGEFILE) fstat(19, {st_mode=S_IFREG|0444, st_size=0,
> ...}) = 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe0af7f9000 lseek(19, 0,
> SEEK_CUR)                  = 0 read(19, "14 19 0:14 / /sys
> rw,nosuid,node"..., 1024) = 1024 read(19, "sys/fs/pstore
> rw,nosuid,nodev,no"..., 1024) = 1024 read(19,
> "inproto=5,maxproto=5,direct\n34 1"..., 1024) = 489 read(19, "",
> 1024)                      = 0 close(19)
> = 0 munmap(0x7fe0af7f9000, 4096)            = 0 
> open("/proc/self/cgroup", O_RDONLY|O_CLOEXEC) = 19 fcntl(19,
> F_GETFL)                      = 0x8000 (flags 
> O_RDONLY|O_LARGEFILE) fstat(19, {st_mode=S_IFREG|0444, st_size=0,
> ...}) = 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe0af7f9000 lseek(19, 0,
> SEEK_CUR)                  = 0 read(19,
> "8:perf_event:/ct1\n7:blkio:/ct1\n6"..., 1024) = 163 read(19, "",
> 1024)                      = 0 close(19)
> = 0 munmap(0x7fe0af7f9000, 4096)            = 0 
> stat("/sys/fs/cgroup/cpuset/ct1/cgroup.clone_children", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> open("/sys/fs/cgroup/cpuset/ct1/cgroup.clone_children", 
> O_RDONLY|O_CLOEXEC) = 19 read(19, "1", 1)                        =
> 1 close(19)                               = 0 
> mkdir("/sys/fs/cgroup/perf_event/ct1/ct1", 0777) = 0 
> mkdir("/sys/fs/cgroup/blkio/ct1/ct1", 0777) = 0 
> mkdir("/sys/fs/cgroup/net_cls,net_prio/ct1/ct1", 0777) = 0 
> mkdir("/sys/fs/cgroup/freezer/ct1/ct1", 0777) = 0 
> mkdir("/sys/fs/cgroup/devices/ct1/ct1", 0777) = 0 
> mkdir("/sys/fs/cgroup/cpu,cpuacct/ct1/ct1", 0777) = 0 
> mkdir("/sys/fs/cgroup/cpuset/ct1/ct1", 0777) = 0 
> access("/proc/self/ns", X_OK)           = 0 geteuid()
> = 1000 pipe([19, 20])                          = 0 
> clone(child_stack=0x7ffc18eecca0, 
> flags=CLONE_NEWNS|CLONE_NEWUTS|CLONE_NEWIPC|CLONE_NEWUSER|CLONE_NEWPID|CLONE_NEWNET|SIGCHLD)
>
> 
= 1902
> close(17)                               = 0 read(18, "\0\0\0\0", 4)
> = 4 open("/sys/fs/cgroup/perf_event/ct1/ct1/tasks", 
> O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC, 0666) = 17 write(17, "1902", 4)
> = 4 close(17)                               = 0 
> open("/sys/fs/cgroup/blkio/ct1/ct1/tasks", 
> O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC, 0666) = 17 write(17, "1902", 4)
> = 4 close(17)                               = 0 
> open("/sys/fs/cgroup/net_cls,net_prio/ct1/ct1/tasks", 
> O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC, 0666) = 17 write(17, "1902", 4)
> = 4 close(17)                               = 0 
> open("/sys/fs/cgroup/freezer/ct1/ct1/tasks", 
> O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC, 0666) = 17 write(17, "1902", 4)
> = 4 close(17)                               = 0 
> open("/sys/fs/cgroup/devices/ct1/ct1/tasks", 
> O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC, 0666) = 17 write(17, "1902", 4)
> = 4 close(17)                               = 0 
> open("/sys/fs/cgroup/cpu,cpuacct/ct1/ct1/tasks", 
> O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC, 0666) = 17 write(17, "1902", 4)
> = 4 close(17)                               = 0 
> open("/sys/fs/cgroup/cpuset/ct1/ct1/tasks", 
> O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC, 0666) = 17 write(17, "1902", 4)
> = 4 close(17)                               = 0 getuid()
> = 1000 pipe([17, 21])                          = 0 
> clone(child_stack=0, 
> flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, 
> child_tidptr=0x7fe0af7eeb50) = 1903 close(21)
> = 0 read(17, "eth0:veth2UXVSD\n", 34)       = 16 wait4(1903,
> [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 1903 close(17)
> = 0 close(19)                               = 0 write(20,
> "eth0\0\0\0\0\0\0\0\0\0\0\0\0", 16) = 16 close(20)
> = 0 access("/usr/local/bin/newuidmap", X_OK) = -1 ENOENT (No such
> file or directory) access("/usr/bin/newuidmap", X_OK)      = 0 
> rt_sigaction(SIGINT, {SIG_IGN, [], SA_RESTORER, 0x7fe0ae389180}, 
> {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGQUIT, {SIG_IGN, [],
> SA_RESTORER, 0x7fe0ae389180}, {SIG_DFL, [], 0}, 8) = 0 
> rt_sigprocmask(SIG_BLOCK, [CHLD], ~[ILL BUS KILL SEGV STOP RTMIN 
> RT_1], 8) = 0 clone(child_stack=0,
> flags=CLONE_PARENT_SETTID|SIGCHLD, parent_tidptr=0x7ffc18eecb0c) =
> 1922 wait4(1922, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL)
> = 1922 rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER,
> 0x7fe0ae389180}, NULL, 8) = 0 rt_sigaction(SIGQUIT, {SIG_DFL, [],
> SA_RESTORER, 0x7fe0ae389180}, NULL, 8) = 0 
> rt_sigprocmask(SIG_SETMASK, ~[ILL BUS KILL SEGV STOP RTMIN RT_1], 
> NULL, 8) = 0 rt_sigaction(SIGINT, {SIG_IGN, [], SA_RESTORER,
> 0x7fe0ae389180}, {SIG_DFL, [], SA_RESTORER, 0x7fe0ae389180}, 8) =
> 0 rt_sigaction(SIGQUIT, {SIG_IGN, [], SA_RESTORER,
> 0x7fe0ae389180}, {SIG_DFL, [], SA_RESTORER, 0x7fe0ae389180}, 8) =
> 0 rt_sigprocmask(SIG_BLOCK, [CHLD], ~[ILL BUS KILL SEGV STOP RTMIN 
> RT_1], 8) = 0 clone(child_stack=0,
> flags=CLONE_PARENT_SETTID|SIGCHLD, parent_tidptr=0x7ffc18eecb0c) =
> 1924 wait4(1924, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL)
> = 1924 rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER,
> 0x7fe0ae389180}, NULL, 8) = 0 rt_sigaction(SIGQUIT, {SIG_DFL, [],
> SA_RESTORER, 0x7fe0ae389180}, NULL, 8) = 0 
> rt_sigprocmask(SIG_SETMASK, ~[ILL BUS KILL SEGV STOP RTMIN RT_1], 
> NULL, 8) = 0 write(18, "\1\0\0\0", 4)                = 4 read(18,
> "\2\0\0\0", 4)                 = 4 write(18, "\3\0\0\0", 4)
> = 4 read(18, "", 4)                         = 0 
> open("/proc/self/mountinfo", O_RDONLY)  = 17 fstat(17,
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 mmap(NULL, 4096,
> PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x7fe0af7f9000 read(17, "14 19 0:14 / /sys rw,nosuid,node"...,
> 1024) = 1024 close(17)                               = 0 
> munmap(0x7fe0af7f9000, 4096)            = 0 
> umount("/usr/lib/x86_64-linux-gnu/lxc/ro"..., MNT_DETACH) = -1
> EPERM (Operation not permitted) geteuid()
> = 1000 
> open("/home/ct1/.cache/lxc/run//lxc//home/ct1/.local/share/lxc/monitor-fifo",
>
> 
O_WRONLY|O_NONBLOCK) = -1 ENOENT (No such file or directory)
> close(18)                               = 0 
> open("/proc/1902/ns/net", O_RDONLY)     = 17 epoll_create(2)
> = 18 fcntl(18, F_SETFD, FD_CLOEXEC)          = 0 epoll_ctl(18,
> EPOLL_CTL_ADD, 12, {EPOLLIN, {u32=17979536, u64=17979536}}) = 0 
> epoll_ctl(18, EPOLL_CTL_ADD, 13, {EPOLLIN, {u32=17978752, 
> u64=17978752}}) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 15, {EPOLLIN,
> {u32=17981536, u64=17981536}}) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 16,
> {EPOLLIN, {u32=17981600, u64=17981600}}) = 0 epoll_ctl(18,
> EPOLL_CTL_ADD, 3, {EPOLLIN, {u32=17981296, u64=17981296}}) = 0 
> epoll_wait(18, {{EPOLLIN, {u32=17979536, u64=17979536}}}, 10, -1) =
> 1 read(12, 
> "\21\0\0\0\0\0\0\0\1\0\0\0O\7\0\0\350\3\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
>
> 
128) = 128
> waitid(P_PID, 1902, {}, WNOHANG|WEXITED|WNOWAIT, NULL) = 0 
> epoll_wait(18, {{EPOLLIN, {u32=17978752, u64=17978752}}}, 10, -1) =
> 1 read(13, "\33[1;31mFailed to mount cgroup at"..., 1024) = 86 
> write(15, "\33[1;31mFailed to mount cgroup at"..., 86) = 86 
> epoll_wait(18, {{EPOLLIN, {u32=17981296, u64=17981296}}}, 10, -1) =
> 1 accept(3, 0, NULL)                      = 19 fcntl(19, F_SETFD,
> FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET, SO_PASSCRED,
> [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981024, u64=17981024}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981024, u64=17981024}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"\4\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0",
> 16}], msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 sendto(19,
> "\0\0\0\0\0\0\0\0n\7\0\0\0\0\0\0", 16, 0, NULL, 0) = 16 
> epoll_wait(18, {{EPOLLIN|EPOLLHUP, {u32=17981024, u64=17981024}}},
> 10, -1) = 1 recvmsg(19, {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 epoll_wait(18, {{EPOLLIN, {u32=17981296, u64=17981296}}}, 10,
> -1) = 1 accept(3, 0, NULL)                      = 19 fcntl(19,
> F_SETFD, FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET,
> SO_PASSCRED, [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981056, u64=17981056}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981056, u64=17981056}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, 
> msg_iov(1)=[{"\6\0\0\0\7\0\0\0\360l\244\0\0\0\0\0", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 recvfrom(19,
> "cpuset\0", 7, 0, NULL, NULL) = 7 sendto(19,
> "\0\0\0\0\t\0\0\0\240k\22\1\0\0\0\0", 16, 0, NULL, 0) = 16 
> sendto(19, "/ct1/ct1\0", 9, 0, NULL, 0) = 9 epoll_wait(18,
> {{EPOLLIN|EPOLLHUP, {u32=17981056, u64=17981056}}, {EPOLLIN,
> {u32=17981296, u64=17981296}}}, 10, -1) = 2 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], msg_controllen=32,
> {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 accept(3, 0, NULL)                      = 19 fcntl(19, F_SETFD,
> FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET, SO_PASSCRED,
> [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981024, u64=17981024}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981024, u64=17981024}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, 
> msg_iov(1)=[{"\6\0\0\0\4\0\0\0\260l\244\0\0\0\0\0", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 recvfrom(19,
> "cpu\0", 4, 0, NULL, NULL) = 4 sendto(19,
> "\0\0\0\0\t\0\0\0\20k\22\1\0\0\0\0", 16, 0, NULL, 0) = 16 
> sendto(19, "/ct1/ct1\0", 9, 0, NULL, 0) = 9 epoll_wait(18,
> {{EPOLLIN|EPOLLHUP, {u32=17981024, u64=17981024}}, {EPOLLIN,
> {u32=17981296, u64=17981296}}}, 10, -1) = 2 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], msg_controllen=32,
> {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 accept(3, 0, NULL)                      = 19 fcntl(19, F_SETFD,
> FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET, SO_PASSCRED,
> [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981056, u64=17981056}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981056, u64=17981056}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, 
> msg_iov(1)=[{"\6\0\0\0\10\0\0\0000u\244\0\0\0\0\0", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 recvfrom(19,
> "devices\0", 8, 0, NULL, NULL) = 8 sendto(19,
> "\0\0\0\0\t\0\0\0\200j\22\1\0\0\0\0", 16, 0, NULL, 0) = 16 
> sendto(19, "/ct1/ct1\0", 9, 0, NULL, 0) = 9 epoll_wait(18,
> {{EPOLLIN|EPOLLHUP, {u32=17981056, u64=17981056}}, {EPOLLIN,
> {u32=17981296, u64=17981296}}}, 10, -1) = 2 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], msg_controllen=32,
> {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 accept(3, 0, NULL)                      = 19 fcntl(19, F_SETFD,
> FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET, SO_PASSCRED,
> [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981024, u64=17981024}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981024, u64=17981024}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, 
> msg_iov(1)=[{"\6\0\0\0\10\0\0\0 at t\244\0\0\0\0\0", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 recvfrom(19,
> "freezer\0", 8, 0, NULL, NULL) = 8 sendto(19,
> "\0\0\0\0\t\0\0\0`W\22\1\0\0\0\0", 16, 0, NULL, 0) = 16 sendto(19,
> "/ct1/ct1\0", 9, 0, NULL, 0) = 9 epoll_wait(18, {{EPOLLIN|EPOLLHUP,
> {u32=17981024, u64=17981024}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], msg_controllen=32,
> {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 epoll_wait(18, {{EPOLLIN, {u32=17981296, u64=17981296}}}, 10,
> -1) = 1 accept(3, 0, NULL)                      = 19 fcntl(19,
> F_SETFD, FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET,
> SO_PASSCRED, [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981056, u64=17981056}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981056, u64=17981056}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, 
> msg_iov(1)=[{"\6\0\0\0\10\0\0\0000s\244\0\0\0\0\0", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 recvfrom(19,
> "net_cls\0", 8, 0, NULL, NULL) = 8 sendto(19, "\0\0\0\0\t\0\0\0
> W\22\1\0\0\0\0", 16, 0, NULL, 0) = 16 sendto(19, "/ct1/ct1\0", 9,
> 0, NULL, 0) = 9 epoll_wait(18, {{EPOLLIN|EPOLLHUP, {u32=17981056,
> u64=17981056}}, {EPOLLIN, {u32=17981296, u64=17981296}}}, 10, -1) =
> 2 recvmsg(19, {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 accept(3, 0, NULL)                      = 19 fcntl(19, F_SETFD,
> FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET, SO_PASSCRED,
> [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981024, u64=17981024}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981024, u64=17981024}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"\6\0\0\0\6\0\0\0 at r\244\0\0\0\0\0",
> 16}], msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 recvfrom(19,
> "blkio\0", 6, 0, NULL, NULL) = 6 sendto(19,
> "\0\0\0\0\t\0\0\0\220V\22\1\0\0\0\0", 16, 0, NULL, 0) = 16 
> sendto(19, "/ct1/ct1\0", 9, 0, NULL, 0) = 9 epoll_wait(18,
> {{EPOLLIN|EPOLLHUP, {u32=17981024, u64=17981024}}, {EPOLLIN,
> {u32=17981296, u64=17981296}}}, 10, -1) = 2 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], msg_controllen=32,
> {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 accept(3, 0, NULL)                      = 19 fcntl(19, F_SETFD,
> FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET, SO_PASSCRED,
> [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981056, u64=17981056}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981056, u64=17981056}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, 
> msg_iov(1)=[{"\6\0\0\0\v\0\0\0\220q\244\0\0\0\0\0", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 recvfrom(19,
> "perf_event\0", 11, 0, NULL, NULL) = 11 sendto(19,
> "\0\0\0\0\t\0\0\0\320U\22\1\0\0\0\0", 16, 0, NULL, 0) = 16 
> sendto(19, "/ct1/ct1\0", 9, 0, NULL, 0) = 9 epoll_wait(18,
> {{EPOLLIN|EPOLLHUP, {u32=17981056, u64=17981056}}}, 10, -1) = 1 
> recvmsg(19, {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 epoll_wait(18, {{EPOLLIN, {u32=17981296, u64=17981296}}}, 10,
> -1) = 1 accept(3, 0, NULL)                      = 19 fcntl(19,
> F_SETFD, FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET,
> SO_PASSCRED, [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981024, u64=17981024}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981024, u64=17981024}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"\3\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0",
> 16}], msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 sendto(19,
> "\0\0\0\0\0\0\0\0\2\0\0\0\0\0\0\0", 16, 0, NULL, 0) = 16 
> epoll_wait(18, {{EPOLLIN|EPOLLHUP, {u32=17981024, u64=17981024}}},
> 10, -1) = 1 recvmsg(19, {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 epoll_wait(18, {{EPOLLIN, {u32=17981296, u64=17981296}}}, 10,
> -1) = 1 accept(3, 0, NULL)                      = 19 fcntl(19,
> F_SETFD, FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET,
> SO_PASSCRED, [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981056, u64=17981056}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981056, u64=17981056}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"\6\0\0\0\7\0\0\0 
> \203\244\0\0\0\0\0", 16}], msg_controllen=32, {cmsg_len=28, 
> cmsg_level=SOL_SOCKET, cmsg_type=SCM_CREDENTIALS{pid=1930,
> uid=1000, gid=1000}}, msg_flags=0}, 0) = 16 getuid()
> = 1000 getgid()                                = 1000 recvfrom(19,
> "cpuset\0", 7, 0, NULL, NULL) = 7 sendto(19,
> "\0\0\0\0\t\0\0\0\240k\22\1\0\0\0\0", 16, 0, NULL, 0) = 16 
> sendto(19, "/ct1/ct1\0", 9, 0, NULL, 0) = 9 epoll_wait(18,
> {{EPOLLIN|EPOLLHUP, {u32=17981056, u64=17981056}}, {EPOLLIN,
> {u32=17981296, u64=17981296}}}, 10, -1) = 2 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], msg_controllen=32,
> {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 accept(3, 0, NULL)                      = 19 fcntl(19, F_SETFD,
> FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET, SO_PASSCRED,
> [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981024, u64=17981024}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981024, u64=17981024}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"\6\0\0\0\4\0\0\0`{\244\0\0\0\0\0",
> 16}], msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 recvfrom(19,
> "cpu\0", 4, 0, NULL, NULL) = 4 sendto(19,
> "\0\0\0\0\t\0\0\0\20k\22\1\0\0\0\0", 16, 0, NULL, 0) = 16 
> sendto(19, "/ct1/ct1\0", 9, 0, NULL, 0) = 9 epoll_wait(18,
> {{EPOLLIN|EPOLLHUP, {u32=17981024, u64=17981024}}, {EPOLLIN,
> {u32=17981296, u64=17981296}}}, 10, -1) = 2 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], msg_controllen=32,
> {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 accept(3, 0, NULL)                      = 19 fcntl(19, F_SETFD,
> FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET, SO_PASSCRED,
> [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981056, u64=17981056}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981056, u64=17981056}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, 
> msg_iov(1)=[{"\6\0\0\0\10\0\0\0\360l\244\0\0\0\0\0", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 recvfrom(19,
> "devices\0", 8, 0, NULL, NULL) = 8 sendto(19,
> "\0\0\0\0\t\0\0\0\200j\22\1\0\0\0\0", 16, 0, NULL, 0) = 16 
> sendto(19, "/ct1/ct1\0", 9, 0, NULL, 0) = 9 epoll_wait(18,
> {{EPOLLIN|EPOLLHUP, {u32=17981056, u64=17981056}}, {EPOLLIN,
> {u32=17981296, u64=17981296}}}, 10, -1) = 2 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], msg_controllen=32,
> {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 accept(3, 0, NULL)                      = 19 fcntl(19, F_SETFD,
> FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET, SO_PASSCRED,
> [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981024, u64=17981024}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981024, u64=17981024}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, 
> msg_iov(1)=[{"\6\0\0\0\10\0\0\0\320z\244\0\0\0\0\0", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 recvfrom(19,
> "freezer\0", 8, 0, NULL, NULL) = 8 sendto(19,
> "\0\0\0\0\t\0\0\0`W\22\1\0\0\0\0", 16, 0, NULL, 0) = 16 sendto(19,
> "/ct1/ct1\0", 9, 0, NULL, 0) = 9 epoll_wait(18, {{EPOLLIN|EPOLLHUP,
> {u32=17981024, u64=17981024}}, {EPOLLIN, {u32=17981296,
> u64=17981296}}}, 10, -1) = 2 recvmsg(19, {msg_name(0)=NULL,
> msg_iov(1)=[{"", 16}], msg_controllen=32, {cmsg_len=28,
> cmsg_level=SOL_SOCKET, cmsg_type=SCM_CREDENTIALS{pid=0, uid=0,
> gid=0}}, msg_flags=0}, 0) = 0 epoll_ctl(18, EPOLL_CTL_DEL, 19,
> NULL)  = 0 close(19)                               = 0 accept(3, 0,
> NULL)                      = 19 fcntl(19, F_SETFD, FD_CLOEXEC)
> = 0 setsockopt(19, SOL_SOCKET, SO_PASSCRED, [1], 4) = 0 
> epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN, {u32=17981056, 
> u64=17981056}}) = 0 epoll_wait(18, {{EPOLLIN, {u32=17981056,
> u64=17981056}}}, 10, -1) = 1 recvmsg(19, {msg_name(0)=NULL, 
> msg_iov(1)=[{"\6\0\0\0\10\0\0\0\320l\244\0\0\0\0\0", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 recvfrom(19,
> "net_cls\0", 8, 0, NULL, NULL) = 8 sendto(19, "\0\0\0\0\t\0\0\0
> W\22\1\0\0\0\0", 16, 0, NULL, 0) = 16 sendto(19, "/ct1/ct1\0", 9,
> 0, NULL, 0) = 9 epoll_wait(18, {{EPOLLIN|EPOLLHUP, {u32=17981056,
> u64=17981056}}, {EPOLLIN, {u32=17981296, u64=17981296}}}, 10, -1) =
> 2 recvmsg(19, {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 accept(3, 0, NULL)                      = 19 fcntl(19, F_SETFD,
> FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET, SO_PASSCRED,
> [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981024, u64=17981024}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981024, u64=17981024}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"\6\0\0\0\6\0\0\0 at z\244\0\0\0\0\0",
> 16}], msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 recvfrom(19,
> "blkio\0", 6, 0, NULL, NULL) = 6 sendto(19,
> "\0\0\0\0\t\0\0\0\220V\22\1\0\0\0\0", 16, 0, NULL, 0) = 16 
> sendto(19, "/ct1/ct1\0", 9, 0, NULL, 0) = 9 epoll_wait(18,
> {{EPOLLIN|EPOLLHUP, {u32=17981024, u64=17981024}}, {EPOLLIN,
> {u32=17981296, u64=17981296}}}, 10, -1) = 2 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], msg_controllen=32,
> {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 accept(3, 0, NULL)                      = 19 fcntl(19, F_SETFD,
> FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET, SO_PASSCRED,
> [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981056, u64=17981056}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981056, u64=17981056}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, 
> msg_iov(1)=[{"\6\0\0\0\v\0\0\0000u\244\0\0\0\0\0", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 recvfrom(19,
> "perf_event\0", 11, 0, NULL, NULL) = 11 sendto(19,
> "\0\0\0\0\t\0\0\0\320U\22\1\0\0\0\0", 16, 0, NULL, 0) = 16 
> sendto(19, "/ct1/ct1\0", 9, 0, NULL, 0) = 9 epoll_wait(18,
> {{EPOLLIN|EPOLLHUP, {u32=17981056, u64=17981056}}}, 10, -1) = 1 
> recvmsg(19, {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 epoll_wait(18, {{EPOLLIN, {u32=17981296, u64=17981296}}}, 10,
> -1) = 1 accept(3, 0, NULL)                      = 19 fcntl(19,
> F_SETFD, FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET,
> SO_PASSCRED, [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981024, u64=17981024}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981024, u64=17981024}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"\3\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0",
> 16}], msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 sendto(19,
> "\0\0\0\0\0\0\0\0\2\0\0\0\0\0\0\0", 16, 0, NULL, 0) = 16 
> epoll_wait(18, {{EPOLLIN|EPOLLHUP, {u32=17981024, u64=17981024}}, 
> {EPOLLIN, {u32=17981296, u64=17981296}}}, 10, -1) = 2 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], msg_controllen=32,
> {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 accept(3, 0, NULL)                      = 19 fcntl(19, F_SETFD,
> FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET, SO_PASSCRED,
> [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981056, u64=17981056}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981056, u64=17981056}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"\4\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0",
> 16}], msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 sendto(19,
> "\0\0\0\0\0\0\0\0n\7\0\0\0\0\0\0", 16, 0, NULL, 0) = 16 
> epoll_wait(18, {{EPOLLIN|EPOLLHUP, {u32=17981056, u64=17981056}}},
> 10, -1) = 1 recvmsg(19, {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 epoll_wait(18, {{EPOLLIN, {u32=17981296, u64=17981296}}}, 10,
> -1) = 1 accept(3, 0, NULL)                      = 19 fcntl(19,
> F_SETFD, FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET,
> SO_PASSCRED, [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981024, u64=17981024}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981024, u64=17981024}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, 
> msg_iov(1)=[{"\6\0\0\0\7\0\0\0\320o\244\0\0\0\0\0", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 recvfrom(19,
> "cpuset\0", 7, 0, NULL, NULL) = 7 sendto(19,
> "\0\0\0\0\t\0\0\0\240k\22\1\0\0\0\0", 16, 0, NULL, 0) = 16 
> sendto(19, "/ct1/ct1\0", 9, 0, NULL, 0) = 9 epoll_wait(18,
> {{EPOLLIN|EPOLLHUP, {u32=17981024, u64=17981024}}}, 10, -1) = 1 
> recvmsg(19, {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 epoll_wait(18, {{EPOLLIN, {u32=17981296, u64=17981296}}}, 10,
> -1) = 1 accept(3, 0, NULL)                      = 19 fcntl(19,
> F_SETFD, FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET,
> SO_PASSCRED, [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981056, u64=17981056}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981056, u64=17981056}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, 
> msg_iov(1)=[{"\6\0\0\0\4\0\0\0000\207\244\0\0\0\0\0", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 recvfrom(19,
> "cpu\0", 4, 0, NULL, NULL) = 4 sendto(19,
> "\0\0\0\0\t\0\0\0\20k\22\1\0\0\0\0", 16, 0, NULL, 0) = 16 
> sendto(19, "/ct1/ct1\0", 9, 0, NULL, 0) = 9 epoll_wait(18,
> {{EPOLLIN|EPOLLHUP, {u32=17981056, u64=17981056}}, {EPOLLIN,
> {u32=17981296, u64=17981296}}}, 10, -1) = 2 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], msg_controllen=32,
> {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 accept(3, 0, NULL)                      = 19 fcntl(19, F_SETFD,
> FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET, SO_PASSCRED,
> [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981024, u64=17981024}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981024, u64=17981024}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"\6\0\0\0\10\0\0\0 
> \203\244\0\0\0\0\0", 16}], msg_controllen=32, {cmsg_len=28, 
> cmsg_level=SOL_SOCKET, cmsg_type=SCM_CREDENTIALS{pid=1930,
> uid=1000, gid=1000}}, msg_flags=0}, 0) = 16 getuid()
> = 1000 getgid()                                = 1000 recvfrom(19,
> "devices\0", 8, 0, NULL, NULL) = 8 sendto(19,
> "\0\0\0\0\t\0\0\0\200j\22\1\0\0\0\0", 16, 0, NULL, 0) = 16 
> sendto(19, "/ct1/ct1\0", 9, 0, NULL, 0) = 9 epoll_wait(18,
> {{EPOLLIN|EPOLLHUP, {u32=17981024, u64=17981024}}, {EPOLLIN,
> {u32=17981296, u64=17981296}}}, 10, -1) = 2 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], msg_controllen=32,
> {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 accept(3, 0, NULL)                      = 19 fcntl(19, F_SETFD,
> FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET, SO_PASSCRED,
> [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981056, u64=17981056}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981056, u64=17981056}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, 
> msg_iov(1)=[{"\6\0\0\0\10\0\0\0\240\206\244\0\0\0\0\0", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 recvfrom(19,
> "freezer\0", 8, 0, NULL, NULL) = 8 sendto(19,
> "\0\0\0\0\t\0\0\0`W\22\1\0\0\0\0", 16, 0, NULL, 0) = 16 sendto(19,
> "/ct1/ct1\0", 9, 0, NULL, 0) = 9 epoll_wait(18, {{EPOLLIN|EPOLLHUP,
> {u32=17981056, u64=17981056}}, {EPOLLIN, {u32=17981296,
> u64=17981296}}}, 10, -1) = 2 recvmsg(19, {msg_name(0)=NULL,
> msg_iov(1)=[{"", 16}], msg_controllen=32, {cmsg_len=28,
> cmsg_level=SOL_SOCKET, cmsg_type=SCM_CREDENTIALS{pid=0, uid=0,
> gid=0}}, msg_flags=0}, 0) = 0 epoll_ctl(18, EPOLL_CTL_DEL, 19,
> NULL)  = 0 close(19)                               = 0 accept(3, 0,
> NULL)                      = 19 fcntl(19, F_SETFD, FD_CLOEXEC)
> = 0 setsockopt(19, SOL_SOCKET, SO_PASSCRED, [1], 4) = 0 
> epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN, {u32=17981024, 
> u64=17981024}}) = 0 epoll_wait(18, {{EPOLLIN, {u32=17981024,
> u64=17981024}}}, 10, -1) = 1 recvmsg(19, {msg_name(0)=NULL, 
> msg_iov(1)=[{"\6\0\0\0\10\0\0\0\300i\244\0\0\0\0\0", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 recvfrom(19,
> "net_cls\0", 8, 0, NULL, NULL) = 8 sendto(19, "\0\0\0\0\t\0\0\0
> W\22\1\0\0\0\0", 16, 0, NULL, 0) = 16 sendto(19, "/ct1/ct1\0", 9,
> 0, NULL, 0) = 9 epoll_wait(18, {{EPOLLIN|EPOLLHUP, {u32=17981024,
> u64=17981024}}, {EPOLLIN, {u32=17981296, u64=17981296}}}, 10, -1) =
> 2 recvmsg(19, {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 accept(3, 0, NULL)                      = 19 fcntl(19, F_SETFD,
> FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET, SO_PASSCRED,
> [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981056, u64=17981056}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981056, u64=17981056}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, 
> msg_iov(1)=[{"\6\0\0\0\6\0\0\0\20\206\244\0\0\0\0\0", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 recvfrom(19,
> "blkio\0", 6, 0, NULL, NULL) = 6 sendto(19,
> "\0\0\0\0\t\0\0\0\220V\22\1\0\0\0\0", 16, 0, NULL, 0) = 16 
> sendto(19, "/ct1/ct1\0", 9, 0, NULL, 0) = 9 epoll_wait(18,
> {{EPOLLIN|EPOLLHUP, {u32=17981056, u64=17981056}}, {EPOLLIN,
> {u32=17981296, u64=17981296}}}, 10, -1) = 2 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], msg_controllen=32,
> {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 accept(3, 0, NULL)                      = 19 fcntl(19, F_SETFD,
> FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET, SO_PASSCRED,
> [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981024, u64=17981024}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981024, u64=17981024}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, 
> msg_iov(1)=[{"\6\0\0\0\v\0\0\0\360l\244\0\0\0\0\0", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 recvfrom(19,
> "perf_event\0", 11, 0, NULL, NULL) = 11 sendto(19,
> "\0\0\0\0\t\0\0\0\320U\22\1\0\0\0\0", 16, 0, NULL, 0) = 16 
> sendto(19, "/ct1/ct1\0", 9, 0, NULL, 0) = 9 epoll_wait(18,
> {{EPOLLIN|EPOLLHUP, {u32=17981024, u64=17981024}}}, 10, -1) = 1 
> recvmsg(19, {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 epoll_wait(18, {{EPOLLIN, {u32=17981296, u64=17981296}}}, 10,
> -1) = 1 accept(3, 0, NULL)                      = 19 fcntl(19,
> F_SETFD, FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET,
> SO_PASSCRED, [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981056, u64=17981056}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981056, u64=17981056}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"\3\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0",
> 16}], msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 sendto(19,
> "\0\0\0\0\0\0\0\0\2\0\0\0\0\0\0\0", 16, 0, NULL, 0) = 16 
> epoll_wait(18, {{EPOLLIN|EPOLLHUP, {u32=17981056, u64=17981056}}},
> 10, -1) = 1 recvmsg(19, {msg_name(0)=NULL, msg_iov(1)=[{"", 16}], 
> msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) =
> 0 epoll_ctl(18, EPOLL_CTL_DEL, 19, NULL)  = 0 close(19)
> = 0 epoll_wait(18, {{EPOLLIN, {u32=17981296, u64=17981296}}}, 10,
> -1) = 1 accept(3, 0, NULL)                      = 19 fcntl(19,
> F_SETFD, FD_CLOEXEC)          = 0 setsockopt(19, SOL_SOCKET,
> SO_PASSCRED, [1], 4) = 0 epoll_ctl(18, EPOLL_CTL_ADD, 19, {EPOLLIN,
> {u32=17981024, u64=17981024}}) = 0 epoll_wait(18, {{EPOLLIN,
> {u32=17981024, u64=17981024}}}, 10, -1) = 1 recvmsg(19,
> {msg_name(0)=NULL, msg_iov(1)=[{"\2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0",
> 16}], msg_controllen=32, {cmsg_len=28, cmsg_level=SOL_SOCKET, 
> cmsg_type=SCM_CREDENTIALS{pid=1930, uid=1000, gid=1000}}, 
> msg_flags=0}, 0) = 16 getuid()                                =
> 1000 getgid()                                = 1000 kill(1902,
> SIGKILL)                     = 0 geteuid()
> = 1000 open("/home/ct1/.config/lxc/lxc.conf", O_RDONLY|O_CLOEXEC) =
> -1 ENOENT (No such file or directory) open("/proc/cgroups",
> O_RDONLY|O_CLOEXEC) = 20 fcntl(20, F_GETFL)                      =
> 0x8000 (flags O_RDONLY|O_LARGEFILE) fstat(20,
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 mmap(NULL, 4096,
> PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x7fe0af7f9000 lseek(20, 0, SEEK_CUR)                  = 0 read(20,
> "#subsys_name\thierarchy\tnum_cgrou"..., 1024) = 179 read(20, "",
> 1024)                      = 0 close(20)
> = 0 munmap(0x7fe0af7f9000, 4096)            = 0 
> open("/proc/self/cgroup", O_RDONLY|O_CLOEXEC) = 20 fcntl(20,
> F_GETFL)                      = 0x8000 (flags 
> O_RDONLY|O_LARGEFILE) fstat(20, {st_mode=S_IFREG|0444, st_size=0,
> ...}) = 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe0af7f9000 lseek(20, 0,
> SEEK_CUR)                  = 0 read(20,
> "8:perf_event:/ct1\n7:blkio:/ct1\n6"..., 1024) = 163 read(20, "",
> 1024)                      = 0 close(20)
> = 0 munmap(0x7fe0af7f9000, 4096)            = 0 
> open("/proc/self/mountinfo", O_RDONLY|O_CLOEXEC) = 20 fcntl(20,
> F_GETFL)                      = 0x8000 (flags 
> O_RDONLY|O_LARGEFILE) fstat(20, {st_mode=S_IFREG|0444, st_size=0,
> ...}) = 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe0af7f9000 lseek(20, 0,
> SEEK_CUR)                  = 0 read(20, "14 19 0:14 / /sys
> rw,nosuid,node"..., 1024) = 1024 read(20, "sys/fs/pstore
> rw,nosuid,nodev,no"..., 1024) = 1024 read(20,
> "inproto=5,maxproto=5,direct\n34 1"..., 1024) = 489 read(20, "",
> 1024)                      = 0 close(20)
> = 0 munmap(0x7fe0af7f9000, 4096)            = 0 
> open("/sys/fs/cgroup/freezer/ct1/ct1/freezer.state", 
> O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC, 0666) = 20 write(20, "THAWED",
> 6)                  = 6 close(20)                               =
> 0 epoll_wait(18, {{EPOLLIN, {u32=17979536, u64=17979536}}}, 10, -1)
> = 1 read(12, 
> "\21\0\0\0\0\0\0\0\2\0\0\0n\7\0\0\240\206\1\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
>
> 
128) = 128
> waitid(P_PID, 1902, {si_signo=SIGCHLD, si_code=CLD_KILLED, 
> si_pid=1902, si_uid=100000, si_status=SIGKILL, 
> si_utime=140602989100704, si_stime=140602989099104}, 
> WNOHANG|WEXITED|WNOWAIT, NULL) = 0 wait4(1902, [{WIFSIGNALED(s) &&
> WTERMSIG(s) == SIGKILL}], 0, NULL) = 1902 close(17)
> = 0 geteuid()                               = 1000 
> open("/home/ct1/.cache/lxc/run//lxc//home/ct1/.local/share/lxc/monitor-fifo",
>
> 
O_WRONLY|O_NONBLOCK) = 17
> fcntl(17, F_SETFL, O_WRONLY)            = 0 write(17, 
> "\2\0\0\0ct1\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
>
> 
264) = 264
> close(17)                               = 0 geteuid()
> = 1000 
> open("/home/ct1/.cache/lxc/run//lxc//home/ct1/.local/share/lxc/monitor-fifo",
>
> 
O_WRONLY|O_NONBLOCK) = 17
> fcntl(17, F_SETFL, O_WRONLY)            = 0 write(17, 
> "\0\0\0\0ct1\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
>
> 
264) = 264
> close(17)                               = 0 geteuid()
> = 1000 
> open("/home/ct1/.cache/lxc/run//lxc//home/ct1/.local/share/lxc/monitor-fifo",
>
> 
O_WRONLY|O_NONBLOCK) = 17
> fcntl(17, F_SETFL, O_WRONLY)            = 0 write(17, 
> "\0\0\0\0ct1\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
>
> 
264) = 264
> close(17)                               = 0 
> rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ioctl(15,
> SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS,
> {B38400 opost -isig -icanon -echo ...}) = 0 ioctl(15,
> SNDCTL_TMR_CONTINUE or SNDRV_TIMER_IOCTL_GPARAMS or TCSETSF, 
> {B38400 opost isig icanon echo ...}) = 0 ioctl(15,
> SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS,
> {B38400 opost isig icanon echo ...}) = 0 close(15)
> = 0 close(13)                               = 0 close(14)
> = 0 close(4)                                = 0 close(5)
> = 0 close(6)                                = 0 close(7)
> = 0 close(8)                                = 0 close(9)
> = 0 close(10)                               = 0 close(11)
> = 0 access("/dev/.lxc/ct1.f71378d58dbeab2f", F_OK) = -1 ENOENT (No
> such file or directory) 
> access("/dev/.lxc/user/ct1.f71378d58dbeab2f", F_OK) = 0 
> stat("/dev/.lxc/user/ct1.f71378d58dbeab2f", {st_mode=S_IFDIR|0755, 
> st_size=400, ...}) = 0 lstat("/dev/.lxc/user/ct1.f71378d58dbeab2f",
> {st_mode=S_IFDIR|0755, st_size=400, ...}) = 0 openat(AT_FDCWD,
> "/dev/.lxc/user/ct1.f71378d58dbeab2f", 
> O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 4 getdents(4, /* 20
> entries */, 32768)    = 528 
> lstat("/dev/.lxc/user/ct1.f71378d58dbeab2f/shm", 
> {st_mode=S_IFDIR|0755, st_size=40, ...}) = 0 openat(AT_FDCWD,
> "/dev/.lxc/user/ct1.f71378d58dbeab2f/shm", 
> O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5 getdents(5, /* 2
> entries */, 32768)     = 48 getdents(5, /* 0 entries */, 32768)
> = 0 rmdir("/dev/.lxc/user/ct1.f71378d58dbeab2f/shm") = -1 EACCES 
> (Permission denied) write(2, "lxc_container: ", 15)         = 15 
> write(2, "_recursive_rmdir_onedev: failed "..., 81) = 81 write(2,
> "\n", 1)                       = 1 close(5)
> = 0 lstat("/dev/.lxc/user/ct1.f71378d58dbeab2f/ptmx", 
> {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 
> unlink("/dev/.lxc/user/ct1.f71378d58dbeab2f/ptmx") = -1 EACCES 
> (Permission denied) write(2, "lxc_container: ", 15)         = 15 
> write(2, "_recursive_rmdir_onedev: failed "..., 82) = 82 write(2,
> "\n", 1)                       = 1 
> lstat("/dev/.lxc/user/ct1.f71378d58dbeab2f/stderr", 
> {st_mode=S_IFLNK|0777, st_size=15, ...}) = 0 
> unlink("/dev/.lxc/user/ct1.f71378d58dbeab2f/stderr") = -1 EACCES 
> (Permission denied) write(2, "lxc_container: ", 15)         = 15 
> write(2, "_recursive_rmdir_onedev: failed "..., 84) = 84 write(2,
> "\n", 1)                       = 1 
> lstat("/dev/.lxc/user/ct1.f71378d58dbeab2f/stdout", 
> {st_mode=S_IFLNK|0777, st_size=15, ...}) = 0 
> unlink("/dev/.lxc/user/ct1.f71378d58dbeab2f/stdout") = -1 EACCES 
> (Permission denied) write(2, "lxc_container: ", 15)         = 15 
> write(2, "_recursive_rmdir_onedev: failed "..., 84) = 84 write(2,
> "\n", 1)                       = 1 
> lstat("/dev/.lxc/user/ct1.f71378d58dbeab2f/stdin", 
> {st_mode=S_IFLNK|0777, st_size=15, ...}) = 0 
> unlink("/dev/.lxc/user/ct1.f71378d58dbeab2f/stdin") = -1 EACCES 
> (Permission denied) write(2, "lxc_container: ", 15)         = 15 
> write(2, "_recursive_rmdir_onedev: failed "..., 83) = 83 write(2,
> "\n", 1)                       = 1 
> lstat("/dev/.lxc/user/ct1.f71378d58dbeab2f/fd",
> {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 
> unlink("/dev/.lxc/user/ct1.f71378d58dbeab2f/fd") = -1 EACCES 
> (Permission denied) write(2, "lxc_container: ", 15)         = 15 
> write(2, "_recursive_rmdir_onedev: failed "..., 80) = 80 write(2,
> "\n", 1)                       = 1 
> lstat("/dev/.lxc/user/ct1.f71378d58dbeab2f/tty4", 
> {st_mode=S_IFREG|0640, st_size=0, ...}) = 0 
> unlink("/dev/.lxc/user/ct1.f71378d58dbeab2f/tty4") = -1 EACCES 
> (Permission denied) write(2, "lxc_container: ", 15)         = 15 
> write(2, "_recursive_rmdir_onedev: failed "..., 82) = 82 write(2,
> "\n", 1)                       = 1 
> lstat("/dev/.lxc/user/ct1.f71378d58dbeab2f/tty3", 
> {st_mode=S_IFREG|0640, st_size=0, ...}) = 0 
> unlink("/dev/.lxc/user/ct1.f71378d58dbeab2f/tty3") = -1 EACCES 
> (Permission denied) write(2, "lxc_container: ", 15)         = 15 
> write(2, "_recursive_rmdir_onedev: failed "..., 82) = 82 write(2,
> "\n", 1)                       = 1 
> lstat("/dev/.lxc/user/ct1.f71378d58dbeab2f/tty2", 
> {st_mode=S_IFREG|0640, st_size=0, ...}) = 0 
> unlink("/dev/.lxc/user/ct1.f71378d58dbeab2f/tty2") = -1 EACCES 
> (Permission denied) write(2, "lxc_container: ", 15)         = 15 
> write(2, "_recursive_rmdir_onedev: failed "..., 82) = 82 write(2,
> "\n", 1)                       = 1 
> lstat("/dev/.lxc/user/ct1.f71378d58dbeab2f/tty1", 
> {st_mode=S_IFREG|0640, st_size=0, ...}) = 0 
> unlink("/dev/.lxc/user/ct1.f71378d58dbeab2f/tty1") = -1 EACCES 
> (Permission denied) write(2, "lxc_container: ", 15)         = 15 
> write(2, "_recursive_rmdir_onedev: failed "..., 82) = 82 write(2,
> "\n", 1)                       = 1 
> lstat("/dev/.lxc/user/ct1.f71378d58dbeab2f/zero", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> unlink("/dev/.lxc/user/ct1.f71378d58dbeab2f/zero") = -1 EACCES 
> (Permission denied) write(2, "lxc_container: ", 15)         = 15 
> write(2, "_recursive_rmdir_onedev: failed "..., 82) = 82 write(2,
> "\n", 1)                       = 1 
> lstat("/dev/.lxc/user/ct1.f71378d58dbeab2f/urandom", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> unlink("/dev/.lxc/user/ct1.f71378d58dbeab2f/urandom") = -1 EACCES 
> (Permission denied) write(2, "lxc_container: ", 15)         = 15 
> write(2, "_recursive_rmdir_onedev: failed "..., 85) = 85 write(2,
> "\n", 1)                       = 1 
> lstat("/dev/.lxc/user/ct1.f71378d58dbeab2f/tty", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> unlink("/dev/.lxc/user/ct1.f71378d58dbeab2f/tty") = -1 EACCES 
> (Permission denied) write(2, "lxc_container: ", 15)         = 15 
> write(2, "_recursive_rmdir_onedev: failed "..., 81) = 81 write(2,
> "\n", 1)                       = 1 
> lstat("/dev/.lxc/user/ct1.f71378d58dbeab2f/random", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> unlink("/dev/.lxc/user/ct1.f71378d58dbeab2f/random") = -1 EACCES 
> (Permission denied) write(2, "lxc_container: ", 15)         = 15 
> write(2, "_recursive_rmdir_onedev: failed "..., 84) = 84 write(2,
> "\n", 1)                       = 1 
> lstat("/dev/.lxc/user/ct1.f71378d58dbeab2f/null", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> unlink("/dev/.lxc/user/ct1.f71378d58dbeab2f/null") = -1 EACCES 
> (Permission denied) write(2, "lxc_container: ", 15)         = 15 
> write(2, "_recursive_rmdir_onedev: failed "..., 82) = 82 write(2,
> "\n", 1)                       = 1 
> lstat("/dev/.lxc/user/ct1.f71378d58dbeab2f/full", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> unlink("/dev/.lxc/user/ct1.f71378d58dbeab2f/full") = -1 EACCES 
> (Permission denied) write(2, "lxc_container: ", 15)         = 15 
> write(2, "_recursive_rmdir_onedev: failed "..., 82) = 82 write(2,
> "\n", 1)                       = 1 
> lstat("/dev/.lxc/user/ct1.f71378d58dbeab2f/console", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> unlink("/dev/.lxc/user/ct1.f71378d58dbeab2f/console") = -1 EACCES 
> (Permission denied) write(2, "lxc_container: ", 15)         = 15 
> write(2, "_recursive_rmdir_onedev: failed "..., 85) = 85 write(2,
> "\n", 1)                       = 1 
> lstat("/dev/.lxc/user/ct1.f71378d58dbeab2f/pts", 
> {st_mode=S_IFDIR|0755, st_size=40, ...}) = 0 openat(AT_FDCWD,
> "/dev/.lxc/user/ct1.f71378d58dbeab2f/pts", 
> O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5 getdents(5, /* 2
> entries */, 32768)     = 48 getdents(5, /* 0 entries */, 32768)
> = 0 rmdir("/dev/.lxc/user/ct1.f71378d58dbeab2f/pts") = -1 EACCES 
> (Permission denied) write(2, "lxc_container: ", 15)         = 15 
> write(2, "_recursive_rmdir_onedev: failed "..., 81) = 81 write(2,
> "\n", 1)                       = 1 close(5)
> = 0 getdents(4, /* 0 entries */, 32768)     = 0 
> rmdir("/dev/.lxc/user/ct1.f71378d58dbeab2f") = -1 EPERM (Operation
> not permitted) write(2, "lxc_container: ", 15)         = 15 
> write(2, "_recursive_rmdir_onedev: failed "..., 77) = 77 write(2,
> "\n", 1)                       = 1 close(4)
> = 0 write(2, "lxc_container: ", 15)         = 15 write(2, "Failed
> to cleanup autodev", 25) = 25 write(2, "\n", 1)
> = 1 close(3)                                = 0 openat(AT_FDCWD,
> "/sys/fs/cgroup/perf_event/ct1/ct1", 
> O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3 getdents(3, /* 6
> entries */, 32768)     = 200 
> lstat("/sys/fs/cgroup/perf_event/ct1/ct1/tasks", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/perf_event/ct1/ct1/cgroup.procs", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/perf_event/ct1/ct1/cgroup.clone_children", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/perf_event/ct1/ct1/notify_on_release", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 getdents(3, /* 0
> entries */, 32768)     = 0 
> rmdir("/sys/fs/cgroup/perf_event/ct1/ct1") = 0 close(3)
> = 0 openat(AT_FDCWD, "/sys/fs/cgroup/blkio/ct1/ct1", 
> O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3 getdents(3, /* 33
> entries */, 32768)    = 1448 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.throttle.io_serviced", 
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.io_service_bytes_recursive",
>
> 
{st_mode=S_IFREG|0444, st_size=0, ...}) = 0
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.io_serviced_recursive", 
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.time", 
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/tasks", {st_mode=S_IFREG|0644, 
> st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.io_serviced", 
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.reset_stats", 
> {st_mode=S_IFREG|0200, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.io_wait_time", 
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.weight", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/cgroup.procs", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.leaf_weight_device", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.throttle.read_iops_device",
>
> 
{st_mode=S_IFREG|0644, st_size=0, ...}) = 0
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.io_merged_recursive", 
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.throttle.write_bps_device",
>
> 
{st_mode=S_IFREG|0644, st_size=0, ...}) = 0
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.leaf_weight", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.sectors_recursive", 
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.weight_device", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.io_service_time_recursive",
>
> 
{st_mode=S_IFREG|0444, st_size=0, ...}) = 0
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.throttle.write_iops_device",
>
> 
{st_mode=S_IFREG|0644, st_size=0, ...}) = 0
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.throttle.io_service_bytes",
>
> 
{st_mode=S_IFREG|0444, st_size=0, ...}) = 0
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.io_service_bytes", 
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/cgroup.clone_children", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.io_wait_time_recursive", 
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/notify_on_release", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.io_service_time", 
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.time_recursive", 
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.io_merged", 
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.throttle.read_bps_device",
>
> 
{st_mode=S_IFREG|0644, st_size=0, ...}) = 0
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.sectors", 
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.io_queued", 
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/blkio/ct1/ct1/blkio.io_queued_recursive", 
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 getdents(3, /* 0
> entries */, 32768)     = 0 rmdir("/sys/fs/cgroup/blkio/ct1/ct1")
> = 0 close(3)                                = 0 openat(AT_FDCWD,
> "/sys/fs/cgroup/net_cls,net_prio/ct1/ct1", 
> O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3 getdents(3, /* 9
> entries */, 32768)     = 320 
> lstat("/sys/fs/cgroup/net_cls,net_prio/ct1/ct1/tasks", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/net_cls,net_prio/ct1/ct1/net_cls.classid", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/net_cls,net_prio/ct1/ct1/net_prio.ifpriomap",
>
> 
{st_mode=S_IFREG|0644, st_size=0, ...}) = 0
> lstat("/sys/fs/cgroup/net_cls,net_prio/ct1/ct1/cgroup.procs", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/net_cls,net_prio/ct1/ct1/net_prio.prioidx", 
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/net_cls,net_prio/ct1/ct1/cgroup.clone_children",
>
> 
{st_mode=S_IFREG|0644, st_size=0, ...}) = 0
> lstat("/sys/fs/cgroup/net_cls,net_prio/ct1/ct1/notify_on_release", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 getdents(3, /* 0
> entries */, 32768)     = 0 
> rmdir("/sys/fs/cgroup/net_cls,net_prio/ct1/ct1") = 0 close(3)
> = 0 openat(AT_FDCWD, "/sys/fs/cgroup/freezer/ct1/ct1", 
> O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3 getdents(3, /* 9
> entries */, 32768)     = 336 
> lstat("/sys/fs/cgroup/freezer/ct1/ct1/tasks",
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/freezer/ct1/ct1/cgroup.procs", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/freezer/ct1/ct1/freezer.state", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/freezer/ct1/ct1/cgroup.clone_children", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/freezer/ct1/ct1/freezer.parent_freezing", 
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/freezer/ct1/ct1/notify_on_release", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/freezer/ct1/ct1/freezer.self_freezing", 
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 getdents(3, /* 0
> entries */, 32768)     = 0 rmdir("/sys/fs/cgroup/freezer/ct1/ct1")
> = 0 close(3)                                = 0 openat(AT_FDCWD,
> "/sys/fs/cgroup/devices/ct1/ct1", 
> O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3 getdents(3, /* 9
> entries */, 32768)     = 304 
> lstat("/sys/fs/cgroup/devices/ct1/ct1/tasks",
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/devices/ct1/ct1/cgroup.procs", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/devices/ct1/ct1/devices.allow", 
> {st_mode=S_IFREG|0200, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/devices/ct1/ct1/cgroup.clone_children", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/devices/ct1/ct1/notify_on_release", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/devices/ct1/ct1/devices.deny", 
> {st_mode=S_IFREG|0200, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/devices/ct1/ct1/devices.list", 
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 getdents(3, /* 0
> entries */, 32768)     = 0 rmdir("/sys/fs/cgroup/devices/ct1/ct1")
> = 0 close(3)                                = 0 openat(AT_FDCWD,
> "/sys/fs/cgroup/cpu,cpuacct/ct1/ct1", 
> O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3 getdents(3, /* 10
> entries */, 32768)    = 344 
> lstat("/sys/fs/cgroup/cpu,cpuacct/ct1/ct1/cpuacct.usage_percpu", 
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/cpu,cpuacct/ct1/ct1/tasks", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/cpu,cpuacct/ct1/ct1/cgroup.procs", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/cpu,cpuacct/ct1/ct1/cpu.shares", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/cpu,cpuacct/ct1/ct1/cpuacct.stat", 
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/cpu,cpuacct/ct1/ct1/cgroup.clone_children", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/cpu,cpuacct/ct1/ct1/notify_on_release", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/cpu,cpuacct/ct1/ct1/cpuacct.usage", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 getdents(3, /* 0
> entries */, 32768)     = 0 
> rmdir("/sys/fs/cgroup/cpu,cpuacct/ct1/ct1") = 0 close(3)
> = 0 openat(AT_FDCWD, "/sys/fs/cgroup/cpuset/ct1/ct1", 
> O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3 getdents(3, /* 17
> entries */, 32768)    = 680 
> lstat("/sys/fs/cgroup/cpuset/ct1/ct1/cpuset.mem_hardwall", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/cpuset/ct1/ct1/tasks",
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/cpuset/ct1/ct1/cgroup.procs", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/cpuset/ct1/ct1/cpuset.cpus", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/cpuset/ct1/ct1/cpuset.mems", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/cpuset/ct1/ct1/cpuset.sched_relax_domain_level",
>
> 
{st_mode=S_IFREG|0644, st_size=0, ...}) = 0
> lstat("/sys/fs/cgroup/cpuset/ct1/ct1/cpuset.memory_pressure", 
> {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/cpuset/ct1/ct1/cpuset.memory_spread_page", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/cpuset/ct1/ct1/cpuset.memory_spread_slab", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/cpuset/ct1/ct1/cpuset.cpu_exclusive", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/cpuset/ct1/ct1/cpuset.mem_exclusive", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/cpuset/ct1/ct1/cgroup.clone_children", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/cpuset/ct1/ct1/cpuset.sched_load_balance", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/cpuset/ct1/ct1/notify_on_release", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 
> lstat("/sys/fs/cgroup/cpuset/ct1/ct1/cpuset.memory_migrate", 
> {st_mode=S_IFREG|0644, st_size=0, ...}) = 0 getdents(3, /* 0
> entries */, 32768)     = 0 rmdir("/sys/fs/cgroup/cpuset/ct1/ct1")
> = 0 close(3)                                = 0 exit_group(0)
> = ? +++ exited with 0 +++ ---
> 
> --- lxc-start.log lxc-start 1433890349.315 INFO     lxc_start_ui -
> using rcfile /home/ct1/.local/share/lxc/ct1/config lxc-start
> 1433890349.315 INFO     lxc_utils - XDG_RUNTIME_DIR isn't set in
> the environment. lxc-start 1433890349.316 INFO     lxc_confile -
> read uid map: type u nsid 0 hostid 100000 range 65536 lxc-start
> 1433890349.316 INFO     lxc_confile - read uid map: type g nsid 0
> hostid 100000 range 65536 lxc-start 1433890349.317 WARN     lxc_log
> - lxc_log_init called with log already initialized lxc-start
> 1433890349.317 INFO     lxc_lsm - LSM security driver nop lxc-start
> 1433890349.317 INFO     lxc_utils - XDG_RUNTIME_DIR isn't set in
> the environment. lxc-start 1433890349.317 DEBUG    lxc_conf -
> allocated pty '/dev/pts/2' (5/6) lxc-start 1433890349.318 DEBUG
> lxc_conf - allocated pty '/dev/pts/3' (7/8) lxc-start
> 1433890349.318 DEBUG    lxc_conf - allocated pty '/dev/pts/4'
> (9/10) lxc-start 1433890349.318 DEBUG    lxc_conf - allocated pty 
> '/dev/pts/5' (11/12) lxc-start 1433890349.318 INFO     lxc_conf -
> tty's configured lxc-start 1433890349.318 DEBUG    lxc_start -
> sigchild handler set lxc-start 1433890349.318 DEBUG    lxc_console
> - opening /dev/tty for console peer lxc-start 1433890349.318 INFO
> lxc_caps - Last supported cap was 36 lxc-start 1433890349.318 DEBUG
> lxc_console - using '/dev/tty' as console lxc-start 1433890349.318
> DEBUG    lxc_console - 1793 got SIGWINCH fd 17 lxc-start
> 1433890349.318 DEBUG    lxc_console - set winsz dstfd:14 cols:92
> rows:34 lxc-start 1433890349.923 INFO     lxc_start - 'ct1' is
> initialized lxc-start 1433890349.955 DEBUG    lxc_start - Not
> dropping cap_sys_boot or watching utmp lxc-start 1433890349.955
> INFO     lxc_start - Cloning a new user namespace lxc-start
> 1433890349.955 INFO     lxc_cgroup - cgroup driver cgroupfs initing
> for ct1 lxc-start 1433890350.101 NOTICE   lxc_start - switching to 
> gid/uid 0 in new user namespace lxc-start 1433890350.101 DEBUG
> lxc_conf - mounted '/home/ct1/.local/share/lxc/ct1/rootfs' on 
> '/usr/lib/x86_64-linux-gnu/lxc/rootfs' lxc-start 1433890350.101
> INFO     lxc_conf - 'ct1' hostname has been setup lxc-start
> 1433890350.101 DEBUG    lxc_conf - mac address '00:50:56:00:82:e6'
> on 'eth0' has been setup lxc-start 1433890350.101 DEBUG    lxc_conf
> - 'eth0' has been setup lxc-start 1433890350.101 INFO     lxc_conf
> - network has been setup lxc-start 1433890350.101 INFO     lxc_conf
> - Mounting /dev under /usr/lib/x86_64-linux-gnu/lxc/rootfs 
> lxc-start 1433890350.101 DEBUG    lxc_conf - entering 
> mount_check_fs for /dev lxc-start 1433890350.101 DEBUG    lxc_conf
> - mount_check_fs returning 1 last devtmpfs lxc-start 1433890350.101
> INFO     lxc_conf - Setup in /dev/.lxc failed.  Trying
> /dev/.lxc/user. lxc-start 1433890350.102 DEBUG    lxc_conf - Bind
> mounting /dev/.lxc/user/ct1.f71378d58dbeab2f to 
> /usr/lib/x86_64-linux-gnu/lxc/rootfs/dev lxc-start 1433890350.102
> INFO     lxc_conf - Mounted /dev under 
> /usr/lib/x86_64-linux-gnu/lxc/rootfs lxc-start 1433890350.102 DEBUG
> lxc_conf - mounted 'proc' on 
> '/usr/lib/x86_64-linux-gnu/lxc/rootfs/proc', type 'proc' lxc-start
> 1433890350.102 DEBUG    lxc_conf - mounted 'sysfs' on 
> '/usr/lib/x86_64-linux-gnu/lxc/rootfs/sys', type 'sysfs' lxc-start
> 1433890350.102 DEBUG    lxc_conf - remounting /dev/console on
> /usr/lib/x86_64-linux-gnu/lxc/rootfs/dev/console to respect bind or
> remount options lxc-start 1433890350.102 DEBUG    lxc_conf - (at
> remount) flags for /dev/console was 4096, required extra flags are
> 0 lxc-start 1433890350.102 DEBUG    lxc_conf - mountflags already 
> was 4096, skipping remount lxc-start 1433890350.102 DEBUG
> lxc_conf - mounted '/dev/console' on
> '/usr/lib/x86_64-linux-gnu/lxc/rootfs/dev/console', type 'none' 
> lxc-start 1433890350.102 DEBUG    lxc_conf - remounting /dev/full
> on /usr/lib/x86_64-linux-gnu/lxc/rootfs/dev/full to respect bind or
> remount options lxc-start 1433890350.102 DEBUG    lxc_conf - (at
> remount) flags for /dev/full was 4096, required extra flags are 0 
> lxc-start 1433890350.102 DEBUG    lxc_conf - mountflags already was
> 4096, skipping remount lxc-start 1433890350.102 DEBUG    lxc_conf -
> mounted '/dev/full' on
> '/usr/lib/x86_64-linux-gnu/lxc/rootfs/dev/full', type 'none' 
> lxc-start 1433890350.102 DEBUG    lxc_conf - remounting /dev/null
> on /usr/lib/x86_64-linux-gnu/lxc/rootfs/dev/null to respect bind or
> remount options lxc-start 1433890350.102 DEBUG    lxc_conf - (at
> remount) flags for /dev/null was 4096, required extra flags are 0 
> lxc-start 1433890350.102 DEBUG    lxc_conf - mountflags already was
> 4096, skipping remount lxc-start 1433890350.102 DEBUG    lxc_conf -
> mounted '/dev/null' on
> '/usr/lib/x86_64-linux-gnu/lxc/rootfs/dev/null', type 'none' 
> lxc-start 1433890350.102 DEBUG    lxc_conf - remounting /dev/random
> on /usr/lib/x86_64-linux-gnu/lxc/rootfs/dev/random to respect bind
> or remount options lxc-start 1433890350.102 DEBUG    lxc_conf - (at
> remount) flags for /dev/random was 4096, required extra flags are
> 0 lxc-start 1433890350.102 DEBUG    lxc_conf - mountflags already 
> was 4096, skipping remount lxc-start 1433890350.102 DEBUG
> lxc_conf - mounted '/dev/random' on
> '/usr/lib/x86_64-linux-gnu/lxc/rootfs/dev/random', type 'none' 
> lxc-start 1433890350.102 DEBUG    lxc_conf - remounting /dev/tty on
> /usr/lib/x86_64-linux-gnu/lxc/rootfs/dev/tty to respect bind or 
> remount options lxc-start 1433890350.102 DEBUG    lxc_conf - (at
> remount) flags for /dev/tty was 4096, required extra flags are 0 
> lxc-start 1433890350.102 DEBUG    lxc_conf - mountflags already was
> 4096, skipping remount lxc-start 1433890350.102 DEBUG    lxc_conf -
> mounted '/dev/tty' on
> '/usr/lib/x86_64-linux-gnu/lxc/rootfs/dev/tty', type 'none' 
> lxc-start 1433890350.102 DEBUG    lxc_conf - remounting 
> /dev/urandom on /usr/lib/x86_64-linux-gnu/lxc/rootfs/dev/urandom
> to respect bind or remount options lxc-start 1433890350.102 DEBUG
> lxc_conf - (at remount) flags for /dev/urandom was 4096, required
> extra flags are 0 lxc-start 1433890350.102 DEBUG    lxc_conf -
> mountflags already was 4096, skipping remount lxc-start
> 1433890350.102 DEBUG    lxc_conf - mounted '/dev/urandom' on
> '/usr/lib/x86_64-linux-gnu/lxc/rootfs/dev/urandom', type 'none' 
> lxc-start 1433890350.102 DEBUG    lxc_conf - remounting /dev/zero
> on /usr/lib/x86_64-linux-gnu/lxc/rootfs/dev/zero to respect bind or
> remount options lxc-start 1433890350.102 DEBUG    lxc_conf - (at
> remount) flags for /dev/zero was 4096, required extra flags are 0 
> lxc-start 1433890350.102 DEBUG    lxc_conf - mountflags already was
> 4096, skipping remount lxc-start 1433890350.102 DEBUG    lxc_conf -
> mounted '/dev/zero' on
> '/usr/lib/x86_64-linux-gnu/lxc/rootfs/dev/zero', type 'none' 
> lxc-start 1433890350.102 INFO     lxc_conf - mount points have been
> setup lxc-start 1433890350.102 INFO     lxc_conf - Creating
> initial consoles under /usr/lib/x86_64-linux-gnu/lxc/rootfs/dev 
> lxc-start 1433890350.102 INFO     lxc_conf - Populating /dev under
> /usr/lib/x86_64-linux-gnu/lxc/rootfs lxc-start 1433890350.102 INFO
> lxc_conf - Populated /dev under
> /usr/lib/x86_64-linux-gnu/lxc/rootfs lxc-start 1433890350.102 INFO
> lxc_conf - console has been setup lxc-start 1433890350.102 INFO
> lxc_conf - 4 tty(s) has been setup lxc-start 1433890350.102 INFO
> lxc_conf - I am 1, /proc/self points to '1' lxc-start
> 1433890350.102 DEBUG    lxc_conf - created 
> '/usr/lib/x86_64-linux-gnu/lxc/rootfs/lxc_putold' directory 
> lxc-start 1433890350.102 DEBUG    lxc_conf - mountpoint for old 
> rootfs is '/usr/lib/x86_64-linux-gnu/lxc/rootfs/lxc_putold' 
> lxc-start 1433890350.102 DEBUG    lxc_conf - pivot_root syscall to
> '/usr/lib/x86_64-linux-gnu/lxc/rootfs' successful lxc-start
> 1433890350.123 INFO     lxc_conf - lazy unmount of '/lxc_putold' 
> lxc-start 1433890350.123 WARN     lxc_conf - failed to unmount 
> '/lxc_putold/dev' lxc-start 1433890350.123 WARN     lxc_conf -
> failed to unmount '/lxc_putold/dev/pts' lxc-start 1433890350.123
> WARN     lxc_conf - failed to unmount '/lxc_putold/dev/shm' 
> lxc-start 1433890350.123 WARN     lxc_conf - failed to unmount 
> '/lxc_putold/dev/mqueue' lxc-start 1433890350.123 WARN     lxc_conf
> - failed to unmount '/lxc_putold/dev/hugepages' lxc-start
> 1433890350.123 WARN     lxc_conf - failed to unmount 
> '/lxc_putold/run' lxc-start 1433890350.123 WARN     lxc_conf -
> failed to unmount '/lxc_putold/run/lock' lxc-start 1433890350.123
> WARN     lxc_conf - failed to unmount 
> '/lxc_putold/run/cgmanager/fs' lxc-start 1433890350.123 WARN
> lxc_conf - failed to unmount '/lxc_putold/sys' lxc-start
> 1433890350.123 WARN     lxc_conf - failed to unmount 
> '/lxc_putold/sys/kernel/security' lxc-start 1433890350.123 WARN
> lxc_conf - failed to unmount '/lxc_putold/sys/fs/cgroup' lxc-start
> 1433890350.123 WARN     lxc_conf - failed to unmount 
> '/lxc_putold/sys/fs/cgroup/systemd' lxc-start 1433890350.123 WARN
> lxc_conf - failed to unmount '/lxc_putold/sys/fs/cgroup/cpuset' 
> lxc-start 1433890350.123 WARN     lxc_conf - failed to unmount 
> '/lxc_putold/sys/fs/cgroup/cpu,cpuacct' lxc-start 1433890350.123
> WARN     lxc_conf - failed to unmount 
> '/lxc_putold/sys/fs/cgroup/devices' lxc-start 1433890350.123 WARN
> lxc_conf - failed to unmount '/lxc_putold/sys/fs/cgroup/freezer' 
> lxc-start 1433890350.123 WARN     lxc_conf - failed to unmount 
> '/lxc_putold/sys/fs/cgroup/net_cls,net_prio' lxc-start
> 1433890350.123 WARN     lxc_conf - failed to unmount 
> '/lxc_putold/sys/fs/cgroup/blkio' lxc-start 1433890350.123 WARN
> lxc_conf - failed to unmount 
> '/lxc_putold/sys/fs/cgroup/perf_event' lxc-start 1433890350.123
> WARN     lxc_conf - failed to unmount '/lxc_putold/sys/fs/pstore' 
> lxc-start 1433890350.123 WARN     lxc_conf - failed to unmount 
> '/lxc_putold/sys/kernel/debug' lxc-start 1433890350.123 WARN
> lxc_conf - failed to unmount '/lxc_putold/proc' lxc-start
> 1433890350.123 WARN     lxc_conf - failed to unmount 
> '/lxc_putold/proc/sys/fs/binfmt_misc' lxc-start 1433890350.123 WARN
> lxc_conf - failed to unmount '/lxc_putold/boot' lxc-start
> 1433890350.123 WARN     lxc_conf - failed to unmount 
> '/lxc_putold/srv' lxc-start 1433890350.123 INFO     lxc_conf - set
> personality to '0x0' lxc-start 1433890350.123 NOTICE   lxc_conf -
> 'ct1' is setup. lxc-start 1433890350.123 NOTICE   lxc_start -
> exec'ing '/sbin/init' lxc-start 1433890350.123 NOTICE   lxc_start -
> '/sbin/init' started with pid '1825' lxc-start 1433890350.123 INFO
> lxc_utils - XDG_RUNTIME_DIR isn't set in the environment. lxc-start
> 1433890350.123 WARN     lxc_start - invalid pid for SIGCHLD 
> lxc-start 1433890357.145 DEBUG    lxc_commands - peer has 
> disconnected lxc-start 1433890357.145 DEBUG    lxc_commands - peer
> has disconnected lxc-start 1433890357.145 DEBUG    lxc_commands -
> peer has disconnected lxc-start 1433890357.146 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890357.146 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890357.146 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890357.146 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890357.146 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890357.146 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890357.146 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890357.146 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890357.146 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890357.146 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890357.146 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890357.146 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890357.146 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890357.146 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890357.146 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890357.147 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890357.147 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890357.147 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890357.147 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890357.147 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890357.147 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890357.147 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890357.147 DEBUG
> lxc_commands - peer has disconnected lxc-start 1433890417.299 DEBUG
> lxc_start - container init process exited lxc-start 1433890417.299
> DEBUG    lxc_start - unknown exit status for init: 9 lxc-start
> 1433890417.299 INFO     lxc_utils - XDG_RUNTIME_DIR isn't set in
> the environment. lxc-start 1433890417.299 INFO     lxc_error -
> child <1825> ended on signal (9) lxc-start 1433890417.299 INFO
> lxc_utils - XDG_RUNTIME_DIR isn't set in the environment. lxc-start
> 1433890417.299 INFO     lxc_utils - XDG_RUNTIME_DIR isn't set in
> the environment. lxc-start 1433890417.299 INFO     lxc_conf -
> Cleaning /dev/.lxc/user/ct1.f71378d58dbeab2f lxc-start
> 1433890417.299 ERROR    lxc_utils - _recursive_rmdir_onedev: failed
> to delete /dev/.lxc/user/ct1.f71378d58dbeab2f/shm lxc-start
> 1433890417.299 ERROR    lxc_utils - _recursive_rmdir_onedev: failed
> to delete /dev/.lxc/user/ct1.f71378d58dbeab2f/ptmx lxc-start
> 1433890417.299 ERROR    lxc_utils - _recursive_rmdir_onedev: failed
> to delete /dev/.lxc/user/ct1.f71378d58dbeab2f/stderr lxc-start
> 1433890417.299 ERROR    lxc_utils - _recursive_rmdir_onedev: failed
> to delete /dev/.lxc/user/ct1.f71378d58dbeab2f/stdout lxc-start
> 1433890417.299 ERROR    lxc_utils - _recursive_rmdir_onedev: failed
> to delete /dev/.lxc/user/ct1.f71378d58dbeab2f/stdin lxc-start
> 1433890417.299 ERROR    lxc_utils - _recursive_rmdir_onedev: failed
> to delete /dev/.lxc/user/ct1.f71378d58dbeab2f/fd lxc-start
> 1433890417.299 ERROR    lxc_utils - _recursive_rmdir_onedev: failed
> to delete /dev/.lxc/user/ct1.f71378d58dbeab2f/tty4 lxc-start
> 1433890417.299 ERROR    lxc_utils - _recursive_rmdir_onedev: failed
> to delete /dev/.lxc/user/ct1.f71378d58dbeab2f/tty3 lxc-start
> 1433890417.299 ERROR    lxc_utils - _recursive_rmdir_onedev: failed
> to delete /dev/.lxc/user/ct1.f71378d58dbeab2f/tty2 lxc-start
> 1433890417.299 ERROR    lxc_utils - _recursive_rmdir_onedev: failed
> to delete /dev/.lxc/user/ct1.f71378d58dbeab2f/tty1 lxc-start
> 1433890417.299 ERROR    lxc_utils - _recursive_rmdir_onedev: failed
> to delete /dev/.lxc/user/ct1.f71378d58dbeab2f/zero lxc-start
> 1433890417.299 ERROR    lxc_utils - _recursive_rmdir_onedev: failed
> to delete /dev/.lxc/user/ct1.f71378d58dbeab2f/urandom lxc-start
> 1433890417.299 ERROR    lxc_utils - _recursive_rmdir_onedev: failed
> to delete /dev/.lxc/user/ct1.f71378d58dbeab2f/tty lxc-start
> 1433890417.300 ERROR    lxc_utils - _recursive_rmdir_onedev: failed
> to delete /dev/.lxc/user/ct1.f71378d58dbeab2f/random lxc-start
> 1433890417.300 ERROR    lxc_utils - _recursive_rmdir_onedev: failed
> to delete /dev/.lxc/user/ct1.f71378d58dbeab2f/null lxc-start
> 1433890417.300 ERROR    lxc_utils - _recursive_rmdir_onedev: failed
> to delete /dev/.lxc/user/ct1.f71378d58dbeab2f/full lxc-start
> 1433890417.300 ERROR    lxc_utils - _recursive_rmdir_onedev: failed
> to delete /dev/.lxc/user/ct1.f71378d58dbeab2f/console lxc-start
> 1433890417.300 ERROR    lxc_utils - _recursive_rmdir_onedev: failed
> to delete /dev/.lxc/user/ct1.f71378d58dbeab2f/pts lxc-start
> 1433890417.300 ERROR    lxc_utils - _recursive_rmdir_onedev: failed
> to delete /dev/.lxc/user/ct1.f71378d58dbeab2f lxc-start
> 1433890417.300 ERROR    lxc_conf - Failed to cleanup autodev ---
> 
> 
> 
> 

- -- 
Sent from desktop.

Thomas Dalichow
Linux systems engineer

web: www.thomasdalichow.de
tel: +49 160 94639230
twi: https://twitter.com/TwizzyDizzy
gpg: http://www.thomasdalichow.de/info@thomasdalichow.de.asc
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