[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/fea686bb4275455dae109850877a1c... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e54414a4a7304c1a94dad1121fca5c48 : SUCCESS in 5m 21s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/79c3e598cb394bcba51a7fdadfeeda8c : TIMED_OUT in 40m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/abfd8d05bdca4dac86415196519f9cc1 : SUCCESS in 17m 05s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/301c9ef437a3408a808b857c1e743545 : FAILURE in 3m 50s