Updated openstack/openstack
Project: openstack/nova  d7b1f1233c75a452d198de1ea5f1110093aa6fd1
null
libvirt: pass instance to a log() call in the standard way

If we pass the instance in the correct way, then we get nicely
formatted logs which are easier for admins to use.

Change-Id: I27ab372a3388e2aa02491da07c616807bcbb14ef