Comment 1 for bug 1544608

There is a 404 in the glance-api logs:

http://logs.openstack.org/47/275747/3/gate/gate-horizon-dsvm-integration/b83e62a/logs/screen-g-api.txt.gz?level=TRACE

2016-02-09 01:09:02.136 17904 ERROR swiftclient [req-a32254c0-a71e-4bc4-a61d-e5e432cbc8fc 31d36a78e9f7457bbafc73a009695d30 df4780c1cf25498fbf233b5ab931d948 - - -] Container HEAD failed: http://127.0.0.1:8080/v1/AUTH_22c1cc47a75a4bb9887885274acf02a5/glance 404 Not Found
2016-02-09 01:09:02.136 17904 ERROR swiftclient Traceback (most recent call last):
2016-02-09 01:09:02.136 17904 ERROR swiftclient File "/usr/local/lib/python2.7/dist-packages/swiftclient/client.py", line 1425, in _retry
2016-02-09 01:09:02.136 17904 ERROR swiftclient service_token=self.service_token, **kwargs)
2016-02-09 01:09:02.136 17904 ERROR swiftclient File "/usr/local/lib/python2.7/dist-packages/swiftclient/client.py", line 792, in head_container
2016-02-09 01:09:02.136 17904 ERROR swiftclient http_response_content=body)
2016-02-09 01:09:02.136 17904 ERROR swiftclient ClientException: Container HEAD failed: http://127.0.0.1:8080/v1/AUTH_22c1cc47a75a4bb9887885274acf02a5/glance 404 Not Found
2016-02-09 01:09:02.136 17904 ERROR swiftclient

That's at a different time from the AttributeError failure though, so probably unrelated.