2018-01-17 01:46:55.624 470812 DEBUG glance.api.middleware.version_negotiation [-] Determining version of request: POST /v1/images Accept: */* proc
ess_request /usr/lib/python2.7/site-packages/glance/api/middleware/version_negotiation.py:45
2018-01-17 01:46:55.624 470812 DEBUG glance.api.middleware.version_negotiation [-] Using url versioning process_request /usr/lib/python2.7/site-pac
kages/glance/api/middleware/version_negotiation.py:57
2018-01-17 01:46:55.624 470812 DEBUG glance.api.middleware.version_negotiation [-] Unknown version. Returning version choices. process_request /usr
/lib/python2.7/site-packages/glance/api/middleware/version_negotiation.py:64