Updated openstack/openstack
Project: openstack/nova  6b844e3f459d913850fe97fc2a2d8a679a9b9055

Standardize logging for v2 api extensions

- add log translation hints for warning, error and info levels
- remove pointless debug message

Change-Id: I67c5e77e62f8ef89204b67426b88856ef91dfc26