It seems it started happening with the move to xenial, so maybe a libvirt issue. https://bugs.launchpad.net/tacker/+bug/1515768 is a previous occurrence of it.
Adding nova has thre is a 500, so there ought to be a bug.
It seems it started happening with the move to xenial, so maybe a libvirt issue. https:/ /bugs.launchpad .net/tacker/ +bug/1515768 is a previous occurrence of it.
Adding nova has thre is a 500, so there ought to be a bug.