User namespace work (at least for root to start containers in user namespaces, which is what this bug is about) have been working in lxc for some time. You do need a custom kernel, but this bug is against lxc, so I'm marking it fix released.
** Changed in: lxc (Ubuntu) Status: Triaged => Fix Released -- 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/1191596 Title: user namespaces are needed to protect container and host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1191596/+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