[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/c1cd5830baf44deeab5183a0f7fd53... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d912ebc00e6a4d158d565a89d378cc20 : SUCCESS in 5m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b468fd3281f84dd3b81e505d6c4034d8 : TIMED_OUT in 40m 51s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e4cc5338c1ff464aba428a612a6b7b17 : SUCCESS in 4m 52s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/fd1eb9da04a24d3598b7284ea10c3734 : FAILURE in 5m 43s