lxc-start 1367673844.520 INFO     lxc_start_ui - using rcfile /var/lib/lxc/siretart-steam/config
      lxc-start 1367673844.521 INFO     lxc_apparmor - aa_enabled set to 1

      lxc-start 1367673844.521 INFO     lxc_start - 'siretart-steam' is initialized
      lxc-start 1367673850.841 ERROR    lxc_cgroup - Error creating cgroups
      lxc-start 1367673850.959 ERROR    lxc_start - failed to spawn 'siretart-steam'