I also got this error message. In the ubuntu-vm-builder, I had "-- hostname 'test-vm' ", I changed it to "--hostname 'testvm' " and the problem disappears. So I believe the issue has to do with the minus sign in the hostname parameter.
-- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to vm-builder in ubuntu. https://bugs.launchpad.net/bugs/562189 Title: AttributeError: 'Libvirt' object has no attribute 'vm' -- 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