I filed an upstream kernel bug: https://bugzilla.kernel.org/show_bug.cgi?id=47181
** Bug watch added: Linux Kernel Bug Tracker #47181 http://bugzilla.kernel.org/show_bug.cgi?id=47181 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1021471 Title: clone() hang when creating new network namespace (dmesg show unregister_netdevice: waiting for lo to become free. Usage count = 2) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1021471/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
