Ah, turns out this is just fallout from bug 1325468. Apparently that failed startup left the /usr/lib/x86_64-linux-gnu/lxc/dev/ directory on my host system, which then causes this error. After a reboot the directory is gone and (unconfined) container startup works.
** Changed in: lxc (Ubuntu) Importance: Undecided => Wishlist ** Changed in: lxc (Ubuntu) Importance: Wishlist => Low ** Summary changed: - [systemd] error 5 creating /usr/lib/x86_64-linux-gnu/lxc/dev/lxc/console + [systemd] error 5 creating /usr/lib/x86_64-linux-gnu/lxc/dev/lxc/console after failed container startup ** Tags removed: systemd-boot -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1325470 Title: [systemd] error 5 creating /usr/lib/x86_64-linux- gnu/lxc/dev/lxc/console after failed container startup To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1325470/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs