test_cinder_volume_create_delete fails in postgres job on stable/icehouse

http://logs.openstack.org/80/94480/3/check/check-tempest-dsvm-postgres-full/6b96194/console.html.gz

2014-08-01 23:12:30.475 | tempest.api.orchestration.stacks.test_volumes.CinderResourcesTest.test_cinder_volume_create_delete[gate]
2014-08-01 23:12:30.475 | --------------------------------------------------------------------------------------------------------
2014-08-01 23:12:30.475 |
2014-08-01 23:12:30.475 | Captured traceback:
2014-08-01 23:12:30.475 | ~~~~~~~~~~~~~~~~~~~
2014-08-01 23:12:30.475 | Traceback (most recent call last):
2014-08-01 23:12:30.476 | File "tempest/api/orchestration/stacks/test_volumes.py", line 75, in test_cinder_volume_create_delete
2014-08-01 23:12:30.476 | self.client.wait_for_stack_status(stack_identifier, 'DELETE_COMPLETE')
2014-08-01 23:12:30.476 | File "tempest/services/orchestration/json/orchestration_client.py", line 185, in wait_for_stack_status
2014-08-01 23:12:30.476 | resp, body = self.get_stack(stack_identifier)
2014-08-01 23:12:30.476 | File "tempest/services/orchestration/json/orchestration_client.py", line 108, in get_stack
2014-08-01 23:12:30.476 | resp, body = self.get(url)
2014-08-01 23:12:30.476 | File "tempest/common/rest_client.py", line 221, in get
2014-08-01 23:12:30.476 | return self.request('GET', url, extra_headers, headers)
2014-08-01 23:12:30.476 | File "tempest/common/rest_client.py", line 430, in request
2014-08-01 23:12:30.476 | resp, resp_body)
2014-08-01 23:12:30.477 | File "tempest/common/rest_client.py", line 520, in _error_checker
2014-08-01 23:12:30.477 | raise exceptions.IdentityError(message)
2014-08-01 23:12:30.477 | IdentityError: Got identity error
2014-08-01 23:12:30.477 | Details: Remote error: NotFound The resource could not be found. (HTTP 404) (Request-ID: req-caaaf329-a9cd-401f-8294-e01c76567717)

message:"format_stack_output" AND message:"cinderclient" AND message:"NotFound: The resource could not be found" AND tags:"screen-h-eng.txt"

http://logstash.openstack.org/#eyJzZWFyY2giOiJtZXNzYWdlOlwiZm9ybWF0X3N0YWNrX291dHB1dFwiIEFORCBtZXNzYWdlOlwiY2luZGVyY2xpZW50XCIgQU5EIG1lc3NhZ2U6XCJOb3RGb3VuZDogVGhlIHJlc291cmNlIGNvdWxkIG5vdCBiZSBmb3VuZFwiIEFORCB0YWdzOlwic2NyZWVuLWgtZW5nLnR4dFwiIiwiZmllbGRzIjpbXSwib2Zmc2V0IjowLCJ0aW1lZnJhbWUiOiI2MDQ4MDAiLCJncmFwaG1vZGUiOiJjb3VudCIsInRpbWUiOnsidXNlcl9pbnRlcnZhbCI6MH0sInN0YW1wIjoxNDA2OTkyOTgzOTc0LCJtb2RlIjoiIiwiYW5hbHl6ZV9maWVsZCI6IiJ9

4 hits in 7 days.

There are 404 traces in the heat-engine log:

http://logs.openstack.org/80/94480/3/check/check-tempest-dsvm-postgres-full/6b96194/logs/screen-h-eng.txt.gz?level=TRACE