[Openstack-stable-maint] Stable check of openstack/oslo.messaging for ref refs/heads/stable/train failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/bc26024380444356b85de22d1b6302... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6f184d4e2e3b4c57b334141c08a89d11 : SUCCESS in 3m 55s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d214678919a74af19accd00b5f22a8c4 : TIMED_OUT in 41m 02s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/08c703b87ef943dd8dab3a42eeaffed6 : SUCCESS in 4m 55s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0b6a90d7646946c3ac8fe56d8e4600f2 : FAILURE in 4m 24s