Updated openstack/openstack
Project: openstack/oslo.messaging  f6be71c503068daf0040a1fbb91350c191bb3c0e

Warns user if thread monkeypatch is not done

This change warns the user that it does have monkeypatched the
oslo.messaging library correclty.

Change-Id: Ice80ffc6cbc39919eac4bc0809992daea51b5922
Closes-bug: #1288878