I have the same problem. I think the upstart scripts is a red herring. My guess is that there is some race condition in the connection to nss. I have all my users in ldap and sometimes libvirtd hangs and a couple of restarts of it are needed to be able to connect to it.
Stuff I have tried: upgrade libvirtd to 1.2.12-1 running with and without nscd -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1382046 Title: libvirt-bin unaware of uids on LDAP To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1382046/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs