[lxc-users] Attempt to define unprivileged LXC by libvirt

[ales drtik]

Hi,
i converted LXC conf to xml by:

lxcuser at blade1:~/.local/share/lxc/test_deb$  virsh -c lxc:/// domxml-from-native lxc-tools /home/lxcuser/.local/share/lxc/test_deb/config

<domain type='lxc'>
  <name>test_deb</name>
  <uuid>cce77799-89fd-41fd-99c1-101e00844e23</uuid>
  <memory unit='KiB'>65536</memory>
  <currentMemory unit='KiB'>65536</currentMemory>
  <vcpu placement='static'>1</vcpu>
  <os>
    <type arch='x86_64'>exe</type>
    <init>/sbin/init</init>
  </os>
  <idmap>
    <uid start='1258512' target='0' count='65536'/>
    <gid start='1258512' target='0' count='65536'/>
  </idmap>
  <features>
    <capabilities policy='allow'>
    </capabilities>
  </features>
  <clock offset='utc'/>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>destroy</on_crash>
  <devices>
    <emulator>/usr/lib/libvirt/libvirt_lxc</emulator>
    <filesystem type='mount' accessmode='passthrough'>
      <source dir='/home/lxcuser/.local/share/lxc/test_deb/rootfs'/>
      <target dir='/'/>
    </filesystem>
    <interface type='bridge'>
      <mac address='00:16:3e:ab:21:1b'/>
      <source bridge='br0'/>
      <link state='up'/>
    </interface>
  </devices>
</domain>

Now attempt to define by virsh gives this err:

lxcuser at blade1:~/.local/share/lxc/test_deb$ virsh -c lxc:/// define tmp/test_deb.xml
error: Failed to define domain from /tmp/test_deb.xml
error: unsupported configuration: You must map the root user of container

Debian stretch.
Where am I wrong ?