Cinder-related backtraces in n-api log after good tempest run

From http://logs.openstack.org/periodic/periodic-tempest-devstack-vm-check-hourly/404/logs/screen-n-api.txt
There are a whole bunch of these.

2012-11-29 19:16:50 INFO nova.api.openstack.wsgi [req-bb80bdc9-ff8e-4262-9c86-ba31003bb95c VolumesGetTestJSON-user VolumesGetTestJSON-tenant] GET http://127.0.0.1:8774/v2/e5f9f8dd059741d1992d606678e962c1/os-volumes/624023ec-fcf7-4568-b485-a9ec1d0b7ed2
2012-11-29 19:16:50 DEBUG nova.api.openstack.wsgi [req-bb80bdc9-ff8e-4262-9c86-ba31003bb95c VolumesGetTestJSON-user VolumesGetTestJSON-tenant] No Content-Type provided in request get_body /opt/stack/nova/nova/api/openstack/wsgi.py:792
2012-11-29 19:16:50 DEBUG nova.volume.cinder [req-bb80bdc9-ff8e-4262-9c86-ba31003bb95c VolumesGetTestJSON-user VolumesGetTestJSON-tenant] Cinderclient connection created using URL: http://127.0.0.1:8776/v1/e5f9f8dd059741d1992d606678e962c1 cinderclient /opt/stack/nova/nova/volume/cinder.py:67
2012-11-29 19:16:50 ERROR nova.api.openstack [req-bb80bdc9-ff8e-4262-9c86-ba31003bb95c VolumesGetTestJSON-user VolumesGetTestJSON-tenant] Caught error: The resource could not be found. (HTTP 404) (Request-ID: req-6ab91bd6-0388-4c2b-a721-79ef0b778149)
2012-11-29 19:16:50 29486 TRACE nova.api.openstack Traceback (most recent call last):
2012-11-29 19:16:50 29486 TRACE nova.api.openstack File "/opt/stack/nova/nova/api/openstack/__init__.py", line 81, in __call__
2012-11-29 19:16:50 29486 TRACE nova.api.openstack return req.get_response(self.application)
2012-11-29 19:16:50 29486 TRACE nova.api.openstack File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1053, in get_response
2012-11-29 19:16:50 29486 TRACE nova.api.openstack application, catch_exc_info=False)
2012-11-29 19:16:50 29486 TRACE nova.api.openstack File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1022, in call_application
2012-11-29 19:16:50 29486 TRACE nova.api.openstack app_iter = application(self.environ, start_response)
2012-11-29 19:16:50 29486 TRACE nova.api.openstack File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 159, in __call__
2012-11-29 19:16:50 29486 TRACE nova.api.openstack return resp(environ, start_response)
2012-11-29 19:16:50 29486 TRACE nova.api.openstack File "/opt/stack/python-keystoneclient/keystoneclient/middleware/auth_token.py", line 298, in __call__
2012-11-29 19:16:50 29486 TRACE nova.api.openstack return self.app(env, start_response)
2012-11-29 19:16:50 29486 TRACE nova.api.openstack File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 159, in __call__
2012-11-29 19:16:50 29486 TRACE nova.api.openstack return resp(environ, start_response)
2012-11-29 19:16:50 29486 TRACE nova.api.openstack File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 159, in __call__
2012-11-29 19:16:50 29486 TRACE nova.api.openstack return resp(environ, start_response)
2012-11-29 19:16:50 29486 TRACE nova.api.openstack File "/usr/lib/python2.7/dist-packages/routes/middleware.py", line 131, in __call__
2012-11-29 19:16:50 29486 TRACE nova.api.openstack response = self.app(environ, start_response)
2012-11-29 19:16:50 29486 TRACE nova.api.openstack File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 159, in __call__
2012-11-29 19:16:50 29486 TRACE nova.api.openstack return resp(environ, start_response)
2012-11-29 19:16:50 29486 TRACE nova.api.openstack File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 147, in __call__
2012-11-29 19:16:50 29486 TRACE nova.api.openstack resp = self.call_func(req, *args, **self.kwargs)
2012-11-29 19:16:50 29486 TRACE nova.api.openstack File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 208, in call_func
2012-11-29 19:16:50 29486 TRACE nova.api.openstack return self.func(req, *args, **kwargs)
2012-11-29 19:16:50 29486 TRACE nova.api.openstack File "/opt/stack/nova/nova/api/openstack/wsgi.py", line 895, in __call__
2012-11-29 19:16:50 29486 TRACE nova.api.openstack content_type, body, accept)
2012-11-29 19:16:50 29486 TRACE nova.api.openstack File "/opt/stack/nova/nova/api/openstack/wsgi.py", line 951, in _process_stack
2012-11-29 19:16:50 29486 TRACE nova.api.openstack action_result = self.dispatch(meth, request, action_args)
2012-11-29 19:16:50 29486 TRACE nova.api.openstack File "/opt/stack/nova/nova/api/openstack/wsgi.py", line 1040, in dispatch
2012-11-29 19:16:50 29486 TRACE nova.api.openstack return method(req=request, **action_args)
2012-11-29 19:16:50 29486 TRACE nova.api.openstack File "/opt/stack/nova/nova/api/openstack/compute/contrib/volumes.py", line 173, in show
2012-11-29 19:16:50 29486 TRACE nova.api.openstack vol = self.volume_api.get(context, id)
2012-11-29 19:16:50 29486 TRACE nova.api.openstack File "/opt/stack/nova/nova/volume/cinder.py", line 143, in get
2012-11-29 19:16:50 29486 TRACE nova.api.openstack item = cinderclient(context).volumes.get(volume_id)
2012-11-29 19:16:50 29486 TRACE nova.api.openstack File "/opt/stack/python-cinderclient/cinderclient/v1/volumes.py", line 153, in get
2012-11-29 19:16:50 29486 TRACE nova.api.openstack return self._get("/volumes/%s" % volume_id, "volume")
2012-11-29 19:16:50 29486 TRACE nova.api.openstack File "/opt/stack/python-cinderclient/cinderclient/base.py", line 141, in _get
2012-11-29 19:16:50 29486 TRACE nova.api.openstack resp, body = self.api.client.get(url)
2012-11-29 19:16:50 29486 TRACE nova.api.openstack File "/opt/stack/python-cinderclient/cinderclient/client.py", line 162, in get
2012-11-29 19:16:50 29486 TRACE nova.api.openstack return self._cs_request(url, 'GET', **kwargs)
2012-11-29 19:16:50 29486 TRACE nova.api.openstack File "/opt/stack/python-cinderclient/cinderclient/client.py", line 131, in _cs_request
2012-11-29 19:16:50 29486 TRACE nova.api.openstack **kwargs)
2012-11-29 19:16:50 29486 TRACE nova.api.openstack File "/opt/stack/python-cinderclient/cinderclient/client.py", line 114, in request
2012-11-29 19:16:50 29486 TRACE nova.api.openstack raise exceptions.from_response(resp, body)
2012-11-29 19:16:50 29486 TRACE nova.api.openstack NotFound: The resource could not be found. (HTTP 404) (Request-ID: req-6ab91bd6-0388-4c2b-a721-79ef0b778149)
2012-11-29 19:16:50 29486 TRACE nova.api.openstack