Yup, just making lxc sleep 2 seconds works. So this is purely a race. I'll fix it by having lxc excplicitly wait until the cgroups are removed before re-execing after reboot.
** Changed in: lxc (Ubuntu) Status: Triaged => In Progress -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to lxc in Ubuntu. https://bugs.launchpad.net/bugs/1514690 Title: rebooting container with systemd >= 226 fails to create /lxc/adt- xenial/init.scope control group To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1514690/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs