Updated openstack/openstack
Project: openstack/nova  5a37d543efd437ad957e5655155e2e68236400ab

vfs: guestfs logging integration

Adds support to enable guestfs logging.

Change-Id: I46c5ec6606e4a2eb8277b081d0c773ceb6d36c4c
DocImpact: New group of option has been introduced "guestfs"
Closes-Bug: #1279857