Comment 8 for bug 1484738

Andrews trace from comment 6:

2015-09-10 02:20:20.408 6436 INFO nova.virt.libvirt.driver [req-b79a0b96-5fee-4178-8db6-6516305307c5 novaadmin testlabs - - -] [instance: d8ebcc1b-b1bf-461b-9c13-592b02848ff5] Creating image
2015-09-10 02:20:20.559 6436 ERROR oslo_messaging.rpc.dispatcher [req-dd34a875-8f3d-4dbd-bf85-87ddddc53189 - - - - -] Exception during message handling: 'metadata'
2015-09-10 02:20:20.559 6436 TRACE oslo_messaging.rpc.dispatcher Traceback (most recent call last):
2015-09-10 02:20:20.559 6436 TRACE oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 142, in _dispatch_and_reply
2015-09-10 02:20:20.559 6436 TRACE oslo_messaging.rpc.dispatcher executor_callback))
2015-09-10 02:20:20.559 6436 TRACE oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 186, in _dispatch
2015-09-10 02:20:20.559 6436 TRACE oslo_messaging.rpc.dispatcher executor_callback)
2015-09-10 02:20:20.559 6436 TRACE oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 130, in _do_dispatch
2015-09-10 02:20:20.559 6436 TRACE oslo_messaging.rpc.dispatcher result = func(ctxt, **new_args)
2015-09-10 02:20:20.559 6436 TRACE oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 6772, in refresh_instance_security_rules
2015-09-10 02:20:20.559 6436 TRACE oslo_messaging.rpc.dispatcher return self.manager.refresh_instance_security_rules(ctxt, instance)
2015-09-10 02:20:20.559 6436 TRACE oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 434, in decorated_function
2015-09-10 02:20:20.559 6436 TRACE oslo_messaging.rpc.dispatcher args = (_load_instance(args[0]),) + args[1:]
2015-09-10 02:20:20.559 6436 TRACE oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 425, in _load_instance
2015-09-10 02:20:20.559 6436 TRACE oslo_messaging.rpc.dispatcher expected_attrs=metas)
2015-09-10 02:20:20.559 6436 TRACE oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/objects/instance.py", line 506, in _from_db_object
2015-09-10 02:20:20.559 6436 TRACE oslo_messaging.rpc.dispatcher instance['metadata'] = utils.instance_meta(db_inst)
2015-09-10 02:20:20.559 6436 TRACE oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/nova/utils.py", line 817, in instance_meta
2015-09-10 02:20:20.559 6436 TRACE oslo_messaging.rpc.dispatcher if isinstance(instance['metadata'], dict):
2015-09-10 02:20:20.559 6436 TRACE oslo_messaging.rpc.dispatcher KeyError: 'metadata'
2015-09-10 02:20:20.559 6436 TRACE oslo_messaging.rpc.dispatcher