Ah, right, that explains things: I'm running a xenial kernel, I think. For completeness sake, these are the versions:
[bas@miranda]~> uname -a Linux miranda 4.3.0-5-generic #16-Ubuntu SMP Wed Dec 16 23:33:25 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux [bas@miranda]~> dpkg -l linux-image-\* systemd Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-==============-============-============-================================= un linux-image-3. <none> <none> (no description available) ii linux-image-4. 4.2.0-23.28 amd64 Linux kernel image for version 4. ii linux-image-4. 4.3.0-5.16 amd64 Linux kernel image for version 4. ii linux-image-ex 4.2.0-23.28 amd64 Linux kernel extra modules for ve ii linux-image-ex 4.3.0-5.16 amd64 Linux kernel extra modules for ve ii linux-image-ge 4.2.0.23.25 amd64 Generic Linux kernel image ii systemd 225-1ubuntu9 amd64 system and service manager -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1533833 Title: unprivileged lxc containers won't start To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1533833/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs