<div dir="ltr">I updated the kernel for user namespaces and everything is enabled when I run "lxc-checkconfig". But I encountered the same error when I tried to run a container. Container log shows different errors now:<div><br></div><div><p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">Name: ubuntu-test</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">Architecture: armv7l</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">Created: 2016/04/10 21:41 UTC</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">Status: Stopped</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">Type: persistent</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">Profiles: default</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;min-height:13px"><span style=""></span><br></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">Log:</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;min-height:13px"><span style=""></span><br></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214156.082 INFO     lxc_confile - confile.c:config_idmap:1498 - read uid map: type u nsid 0 hostid 165536 range 65536</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214156.082 INFO     lxc_confile - confile.c:config_idmap:1498 - read uid map: type g nsid 0 hostid 165536 range 65536</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.643 INFO     lxc_confile - confile.c:config_idmap:1498 - read uid map: type u nsid 0 hostid 165536 range 65536</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.643 INFO     lxc_confile - confile.c:config_idmap:1498 - read uid map: type g nsid 0 hostid 165536 range 65536</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.815 INFO     lxc_start - start.c:lxc_check_inherited:251 - closed inherited fd 3</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.816 INFO     lxc_start - start.c:lxc_check_inherited:251 - closed inherited fd 8</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.833 INFO     lxc_container - lxccontainer.c:do_lxcapi_start:797 - Attempting to set proc title to [lxc monitor] /var/lib/lxd/containers ubuntu-test</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.836 INFO     lxc_start - start.c:lxc_check_inherited:251 - closed inherited fd 8</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.837 INFO     lxc_lsm - lsm/lsm.c:lsm_init:48 - LSM security driver nop</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.840 INFO     lxc_seccomp - seccomp.c:parse_config_v2:342 - processing: .reject_force_umount  # comment this to allow umount -f;  not recommended.</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.840 INFO     lxc_seccomp - seccomp.c:parse_config_v2:436 - Adding native rule for reject_force_umount action 0</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.840 INFO     lxc_seccomp - seccomp.c:do_resolve_add_rule:216 - Setting seccomp rule to reject force umounts</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;min-height:13px"><span style=""></span><br></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.840 INFO     lxc_seccomp - seccomp.c:parse_config_v2:342 - processing: .[all].</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.840 INFO     lxc_seccomp - seccomp.c:parse_config_v2:342 - processing: .kexec_load errno 1.</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.841 INFO     lxc_seccomp - seccomp.c:parse_config_v2:436 - Adding native rule for kexec_load action 327681</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.841 INFO     lxc_seccomp - seccomp.c:parse_config_v2:342 - processing: .open_by_handle_at errno 1.</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.841 INFO     lxc_seccomp - seccomp.c:parse_config_v2:436 - Adding native rule for open_by_handle_at action 327681</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.841 INFO     lxc_seccomp - seccomp.c:parse_config_v2:342 - processing: .init_module errno 1.</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.841 INFO     lxc_seccomp - seccomp.c:parse_config_v2:436 - Adding native rule for init_module action 327681</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.841 INFO     lxc_seccomp - seccomp.c:parse_config_v2:342 - processing: .finit_module errno 1.</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.841 INFO     lxc_seccomp - seccomp.c:parse_config_v2:436 - Adding native rule for finit_module action 327681</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.841 INFO     lxc_seccomp - seccomp.c:parse_config_v2:342 - processing: .delete_module errno 1.</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.842 INFO     lxc_seccomp - seccomp.c:parse_config_v2:436 - Adding native rule for delete_module action 327681</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.841 INFO     lxc_start - start.c:lxc_check_inherited:251 - closed inherited fd 3</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.842 INFO     lxc_conf - conf.c:run_script_argv:367 - Executing script '/usr/bin/lxd callhook /var/lib/lxd 2 start' for container 'ubuntu-test', config section 'lxc'</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.842 INFO     lxc_start - start.c:lxc_check_inherited:251 - closed inherited fd 8</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214401.858 INFO     lxc_monitor - monitor.c:lxc_monitor_sock_name:178 - using monitor sock name lxc/d78a9d7e97b4b375//var/lib/lxd/containers</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.096 DEBUG    lxc_start - start.c:setup_signal_fd:289 - sigchild handler set</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.099 DEBUG    lxc_console - console.c:lxc_console_peer_default:473 - no console peer</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.099 INFO     lxc_start - start.c:lxc_init:488 - 'ubuntu-test' is initialized</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.102 DEBUG    lxc_start - start.c:__lxc_start:1302 - Not dropping cap_sys_boot or watching utmp</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.102 INFO     lxc_start - start.c:resolve_clone_flags:999 - Cloning a new user namespace</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.112 DEBUG    lxc_conf - conf.c:instantiate_veth:2613 - instantiated veth 'vethAMHI20/vethM7FMG6', index is '7'</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.113 INFO     lxc_cgroup - cgroup.c:cgroup_init:68 - cgroup driver cgroupfs-ng initing for ubuntu-test</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.129 INFO     lxc_confile - confile.c:config_idmap:1498 - read uid map: type u nsid 0 hostid 165536 range 65536</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.129 INFO     lxc_confile - confile.c:config_idmap:1498 - read uid map: type g nsid 0 hostid 165536 range 65536</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.206 DEBUG    lxc_conf - conf.c:lxc_assign_network:3047 - move 'eth0' to '1465'</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.241 NOTICE   lxc_start - start.c:do_start:763 - switching to gid/uid 0/0 in new user namespace</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.243 DEBUG    lxc_conf - conf.c:setup_rootfs:1215 - mounted '/var/lib/lxd/containers/ubuntu-test/rootfs' on '/usr/lib/arm-linux-gnueabihf/lxc'</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.243 INFO     lxc_conf - conf.c:setup_utsname:843 - 'ubuntu-test' hostname has been setup</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.276 DEBUG    lxc_conf - conf.c:setup_hw_addr:2144 - mac address '00:16:3e:f1:c3:05' on 'eth0' has been setup</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.277 DEBUG    lxc_conf - conf.c:setup_netdev:2371 - 'eth0' has been setup</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.277 INFO     lxc_conf - conf.c:setup_network:2392 - network has been setup</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.277 INFO     lxc_conf - conf.c:mount_autodev:1072 - Mounting container /dev</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.278 INFO     lxc_conf - conf.c:mount_autodev:1095 - Mounted tmpfs onto /usr/lib/arm-linux-gnueabihf/lxc/dev</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.279 INFO     lxc_conf - conf.c:mount_autodev:1113 - Mounted container /dev</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.280 DEBUG    lxc_conf - conf.c:mount_entry:1657 - remounting /proc/sys/fs/binfmt_misc on /usr/lib/arm-linux-gnueabihf/lxc/proc/sys/fs/binfmt_misc to respect bind or remount options</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.280 DEBUG    lxc_conf - conf.c:mount_entry:1672 - (at remount) flags for /proc/sys/fs/binfmt_misc was 4096, required extra flags are 0</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.280 DEBUG    lxc_conf - conf.c:mount_entry:1681 - mountflags already was 20480, skipping remount</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.280 DEBUG    lxc_conf - conf.c:mount_entry:1707 - mounted '/proc/sys/fs/binfmt_misc' on '/usr/lib/arm-linux-gnueabihf/lxc/proc/sys/fs/binfmt_misc', type 'none'</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo">            lxc 20160410214402.281 <span style="background-color:rgb(244,204,204)">ERROR</span>    lxc_utils - utils.c:mkdir_p:253 - Permission denied - failed to create directory '/usr/lib/arm-linux-gnueabihf/lxc/sys/firmware/efi/'</p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.281 WARN     lxc_conf - conf.c:mount_entry_create_dir_file:1755 - Failed to create mount target '/usr/lib/arm-linux-gnueabihf/lxc/sys/firmware/efi/efivars'</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.281 DEBUG    lxc_conf - conf.c:mount_entry:1657 - remounting /sys/fs/fuse/connections on /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/fuse/connections to respect bind or remount options</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.281 DEBUG    lxc_conf - conf.c:mount_entry:1672 - (at remount) flags for /sys/fs/fuse/connections was 4096, required extra flags are 0</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.281 DEBUG    lxc_conf - conf.c:mount_entry:1681 - mountflags already was 20480, skipping remount</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.281 DEBUG    lxc_conf - conf.c:mount_entry:1707 - mounted '/sys/fs/fuse/connections' on '/usr/lib/arm-linux-gnueabihf/lxc/sys/fs/fuse/connections', type 'none'</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo">            lxc 20160410214402.281 <span style="background-color:rgb(244,204,204)">ERROR</span>    lxc_utils - utils.c:mkdir_p:253 - Permission denied - failed to create directory '/usr/lib/arm-linux-gnueabihf/lxc/sys/fs/pstore'</p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.281 WARN     lxc_conf - conf.c:mount_entry_create_dir_file:1755 - Failed to create mount target '/usr/lib/arm-linux-gnueabihf/lxc/sys/fs/pstore'</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.282 DEBUG    lxc_conf - conf.c:mount_entry:1657 - remounting /sys/kernel/debug on /usr/lib/arm-linux-gnueabihf/lxc/sys/kernel/debug to respect bind or remount options</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.282 DEBUG    lxc_conf - conf.c:mount_entry:1672 - (at remount) flags for /sys/kernel/debug was 4096, required extra flags are 0</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.282 DEBUG    lxc_conf - conf.c:mount_entry:1681 - mountflags already was 20480, skipping remount</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.282 DEBUG    lxc_conf - conf.c:mount_entry:1707 - mounted '/sys/kernel/debug' on '/usr/lib/arm-linux-gnueabihf/lxc/sys/kernel/debug', type 'none'</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo">            lxc 20160410214402.282 <span style="background-color:rgb(244,204,204)">ERROR</span>    lxc_utils - utils.c:mkdir_p:253 - Permission denied - failed to create directory '/usr/lib/arm-linux-gnueabihf/lxc/sys/kernel/security'</p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.282 WARN     lxc_conf - conf.c:mount_entry_create_dir_file:1755 - Failed to create mount target '/usr/lib/arm-linux-gnueabihf/lxc/sys/kernel/security'</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.283 DEBUG    lxc_conf - conf.c:mount_entry:1657 - remounting /dev/mqueue on /usr/lib/arm-linux-gnueabihf/lxc/dev/mqueue to respect bind or remount options</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.283 DEBUG    lxc_conf - conf.c:mount_entry:1672 - (at remount) flags for /dev/mqueue was 4096, required extra flags are 0</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.283 DEBUG    lxc_conf - conf.c:mount_entry:1681 - mountflags already was 20480, skipping remount</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.283 DEBUG    lxc_conf - conf.c:mount_entry:1707 - mounted '/dev/mqueue' on '/usr/lib/arm-linux-gnueabihf/lxc/dev/mqueue', type 'none'</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.283 DEBUG    lxc_conf - conf.c:mount_entry:1657 - remounting /var/lib/lxd/devlxd on /usr/lib/arm-linux-gnueabihf/lxc/dev/lxd to respect bind or remount options</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.283 DEBUG    lxc_conf - conf.c:mount_entry:1672 - (at remount) flags for /var/lib/lxd/devlxd was 1024, required extra flags are 0</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.283 DEBUG    lxc_conf - conf.c:mount_entry:1681 - mountflags already was 4096, skipping remount</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.283 DEBUG    lxc_conf - conf.c:mount_entry:1707 - mounted '/var/lib/lxd/devlxd' on '/usr/lib/arm-linux-gnueabihf/lxc/dev/lxd', type 'none'</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.284 DEBUG    lxc_conf - conf.c:mount_entry:1657 - remounting /var/lib/lxd/shmounts/ubuntu-test on /usr/lib/arm-linux-gnueabihf/lxc/dev/.lxd-mounts to respect bind or remount options</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.284 DEBUG    lxc_conf - conf.c:mount_entry:1672 - (at remount) flags for /var/lib/lxd/shmounts/ubuntu-test was 1024, required extra flags are 0</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.284 DEBUG    lxc_conf - conf.c:mount_entry:1681 - mountflags already was 4096, skipping remount</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.284 DEBUG    lxc_conf - conf.c:mount_entry:1707 - mounted '/var/lib/lxd/shmounts/ubuntu-test' on '/usr/lib/arm-linux-gnueabihf/lxc/dev/.lxd-mounts', type 'none'</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.284 INFO     lxc_conf - conf.c:mount_file_entries:1926 - mount points have been setup</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.285 INFO     lxc_cgfsng - cgfsng.c:do_secondstage_mounts_if_needed:1292 - Remounted /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/systemd read-only</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.285 INFO     lxc_cgfsng - cgfsng.c:do_secondstage_mounts_if_needed:1298 - Mounting /sys/fs/cgroup/systemd//lxc/ubuntu-test onto /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/systemd//lxc/ubuntu-test</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.285 INFO     lxc_cgfsng - cgfsng.c:do_secondstage_mounts_if_needed:1306 - Completed second stage cgroup automounts for /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/systemd//lxc/ubuntu-test</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.286 INFO     lxc_cgfsng - cgfsng.c:do_secondstage_mounts_if_needed:1292 - Remounted /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/freezer read-only</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.286 INFO     lxc_cgfsng - cgfsng.c:do_secondstage_mounts_if_needed:1298 - Mounting /sys/fs/cgroup/freezer//lxc/ubuntu-test onto /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/freezer//lxc/ubuntu-test</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.286 INFO     lxc_cgfsng - cgfsng.c:do_secondstage_mounts_if_needed:1306 - Completed second stage cgroup automounts for /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/freezer//lxc/ubuntu-test</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.287 INFO     lxc_cgfsng - cgfsng.c:do_secondstage_mounts_if_needed:1292 - Remounted /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/blkio read-only</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.287 INFO     lxc_cgfsng - cgfsng.c:do_secondstage_mounts_if_needed:1298 - Mounting /sys/fs/cgroup/blkio//lxc/ubuntu-test onto /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/blkio//lxc/ubuntu-test</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.287 INFO     lxc_cgfsng - cgfsng.c:do_secondstage_mounts_if_needed:1306 - Completed second stage cgroup automounts for /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/blkio//lxc/ubuntu-test</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.287 INFO     lxc_cgfsng - cgfsng.c:do_secondstage_mounts_if_needed:1292 - Remounted /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/cpu read-only</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.287 INFO     lxc_cgfsng - cgfsng.c:do_secondstage_mounts_if_needed:1298 - Mounting /sys/fs/cgroup/cpu//lxc/ubuntu-test onto /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/cpu//lxc/ubuntu-test</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.288 INFO     lxc_cgfsng - cgfsng.c:do_secondstage_mounts_if_needed:1306 - Completed second stage cgroup automounts for /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/cpu//lxc/ubuntu-test</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.288 INFO     lxc_cgfsng - cgfsng.c:do_secondstage_mounts_if_needed:1292 - Remounted /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/net_cls read-only</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.288 INFO     lxc_cgfsng - cgfsng.c:do_secondstage_mounts_if_needed:1298 - Mounting /sys/fs/cgroup/net_cls//lxc/ubuntu-test onto /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/net_cls//lxc/ubuntu-test</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.288 INFO     lxc_cgfsng - cgfsng.c:do_secondstage_mounts_if_needed:1306 - Completed second stage cgroup automounts for /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/net_cls//lxc/ubuntu-test</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.289 INFO     lxc_cgfsng - cgfsng.c:do_secondstage_mounts_if_needed:1292 - Remounted /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/devices read-only</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.289 INFO     lxc_cgfsng - cgfsng.c:do_secondstage_mounts_if_needed:1298 - Mounting /sys/fs/cgroup/devices//lxc/ubuntu-test onto /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/devices//lxc/ubuntu-test</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.289 INFO     lxc_cgfsng - cgfsng.c:do_secondstage_mounts_if_needed:1306 - Completed second stage cgroup automounts for /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/devices//lxc/ubuntu-test</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.289 INFO     lxc_cgfsng - cgfsng.c:do_secondstage_mounts_if_needed:1292 - Remounted /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/cpuset read-only</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.289 INFO     lxc_cgfsng - cgfsng.c:do_secondstage_mounts_if_needed:1298 - Mounting /sys/fs/cgroup/cpuset//lxc/ubuntu-test onto /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/cpuset//lxc/ubuntu-test</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.289 INFO     lxc_cgfsng - cgfsng.c:do_secondstage_mounts_if_needed:1306 - Completed second stage cgroup automounts for /usr/lib/arm-linux-gnueabihf/lxc/sys/fs/cgroup/cpuset//lxc/ubuntu-test</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.289 INFO     lxc_conf - conf.c:run_script_argv:367 - Executing script '/usr/share/lxcfs/lxc.mount.hook' for container 'ubuntu-test', config section 'lxc'</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo">            lxc 20160410214402.495 <span style="background-color:rgb(244,204,204)">ERROR</span>    lxc_conf - conf.c:run_buffer:347 - Script exited with status 1</p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo">            lxc 20160410214402.495 <span style="background-color:rgb(244,204,204)">ERROR</span>    lxc_conf - conf.c:lxc_setup:3751 - failed to run mount hooks for container 'ubuntu-test'.</p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo">            lxc 20160410214402.495 <span style="background-color:rgb(244,204,204)">ERROR</span>    lxc_start - start.c:do_start:819 - failed to setup the container</p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo">            lxc 20160410214402.495 <span style="background-color:rgb(244,204,204)">ERROR</span>    lxc_sync - sync.c:__sync_wait:52 - An error occurred in another process (expected sequence number 2)</p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.495 WARN     lxc_conf - conf.c:lxc_delete_network:2908 - failed to remove interface 7 'eth0'</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo">            lxc 20160410214402.497 <span style="background-color:rgb(244,204,204)">ERROR</span>    lxc_start - start.c:__lxc_start:1329 - failed to spawn 'ubuntu-test'</p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.606 INFO     lxc_conf - conf.c:run_script_argv:367 - Executing script '/usr/bin/lxd callhook /var/lib/lxd 2 stop' for container 'ubuntu-test', config section 'lxc'</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.793 WARN     lxc_commands - commands.c:lxc_cmd_rsp_recv:172 - command get_cgroup failed to receive response</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.793 WARN     lxc_commands - commands.c:lxc_cmd_rsp_recv:172 - command get_cgroup failed to receive response</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.831 INFO     lxc_confile - confile.c:config_idmap:1498 - read uid map: type u nsid 0 hostid 165536 range 65536</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214402.832 INFO     lxc_confile - confile.c:config_idmap:1498 - read uid map: type g nsid 0 hostid 165536 range 65536</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214513.301 INFO     lxc_confile - confile.c:config_idmap:1498 - read uid map: type u nsid 0 hostid 165536 range 65536</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214513.301 INFO     lxc_confile - confile.c:config_idmap:1498 - read uid map: type g nsid 0 hostid 165536 range 65536</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214513.362 INFO     lxc_confile - confile.c:config_idmap:1498 - read uid map: type u nsid 0 hostid 165536 range 65536</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214513.363 INFO     lxc_confile - confile.c:config_idmap:1498 - read uid map: type g nsid 0 hostid 165536 range 65536</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214826.048 INFO     lxc_confile - confile.c:config_idmap:1498 - read uid map: type u nsid 0 hostid 165536 range 65536</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214826.048 INFO     lxc_confile - confile.c:config_idmap:1498 - read uid map: type g nsid 0 hostid 165536 range 65536</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214826.117 INFO     lxc_confile - confile.c:config_idmap:1498 - read uid map: type u nsid 0 hostid 165536 range 65536</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="">            lxc 20160410214826.117 INFO     lxc_confile - confile.c:config_idmap:1498 - read uid map: type g nsid 0 hostid 165536 range 65536</span></p><div><span style=""><br></span></div><div><br></div><div>Please someone help me out.</div></div><div>regards</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Apr 9, 2016 at 9:25 PM, Serge Hallyn <span dir="ltr"><<a href="mailto:serge.hallyn@ubuntu.com" target="_blank">serge.hallyn@ubuntu.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Ok, fwiw rpi2 should work with Ubuntu as well iiuc.<br>
<div class="HOEnZb"><div class="h5"><br>
Quoting Muneeb Ahmad (<a href="mailto:muneeb.gandapur@gmail.com">muneeb.gandapur@gmail.com</a>):<br>
> I'm using Raspberry pi 2 actually. And I'll take a look at debian and see<br>
> if their kernel have the userns_allow_unpriv option.<br>
><br>
> On Sat, Apr 9, 2016 at 9:00 AM, Serge Hallyn <<a href="mailto:serge.hallyn@ubuntu.com">serge.hallyn@ubuntu.com</a>><br>
> wrote:<br>
><br>
> > Quoting Muneeb Ahmad (<a href="mailto:muneeb.gandapur@gmail.com">muneeb.gandapur@gmail.com</a>):<br>
> > > It's not in there.<br>
> > > Do you have any Raspberry pi OS recommendations for me? I'm<br>
> ><br>
> > This is a rpi , not 2 or 3, so ubuntu isn't an option?  But<br>
> > debian is, right?  And their kernel should have the userns_allow_unpriv<br>
> > or whatever sysctl, which would let you do it.<br>
> ><br>
> > > interested in running lxc containers and openstack(nova only)?<br>
> > ><br>
> > > Thanks. On Sat, Apr 09, 2016 at 2:51 AM, Serge Hallyn <<br>
> > > <a href="mailto:serge.hallyn@ubuntu.com">serge.hallyn@ubuntu.com</a> [<a href="mailto:serge.hallyn@ubuntu.com">serge.hallyn@ubuntu.com</a>] > wrote:<br>
> > > Quoting Muneeb Ahmad (<a href="mailto:muneeb.gandapur@gmail.com">muneeb.gandapur@gmail.com</a>):<br>
> > > > Thanks for the answer. Is there a work around for this? Or should I<br>
> > > > just go for some other OS?<br>
> > ><br>
> > > Sorry I don't know the recommended way to build/use a custom kernel<br>
> > > in mint.<br>
> > ><br>
> > > Actually, check /proc/sys/kernel/*user*. Is there something like<br>
> > > unpriv_userns_allow? You may be able to just echo 1 > that.<br>
> > ><br>
> > > -serge<br>
> > > _______________________________________________<br>
> > > lxc-users mailing list<br>
> > > <a href="mailto:lxc-users@lists.linuxcontainers.org">lxc-users@lists.linuxcontainers.org</a><br>
> > > <a href="http://lists.linuxcontainers.org/listinfo/lxc-users" rel="noreferrer" target="_blank">http://lists.linuxcontainers.org/listinfo/lxc-users</a><br>
> ><br>
> > > _______________________________________________<br>
> > > lxc-users mailing list<br>
> > > <a href="mailto:lxc-users@lists.linuxcontainers.org">lxc-users@lists.linuxcontainers.org</a><br>
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> ><br>
> > _______________________________________________<br>
> > lxc-users mailing list<br>
> > <a href="mailto:lxc-users@lists.linuxcontainers.org">lxc-users@lists.linuxcontainers.org</a><br>
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> ><br>
<br>
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> lxc-users mailing list<br>
> <a href="mailto:lxc-users@lists.linuxcontainers.org">lxc-users@lists.linuxcontainers.org</a><br>
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<br>
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