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

Build failed. https://zuul.opendev.org/t/openstack/buildset/9e8210b4d559477c82947cd2a5fa6b... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/049a890a4fa841bcabbfcfd8f3875dd7 : SUCCESS in 3m 45s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/023a3016317b4020ba359581f5d9e8af : RETRY_LIMIT in 3m 12s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/72154898444f49368428c7709f5d5ee1 : FAILURE in 3m 05s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/43939be545e94b82be8ce9aad0bf34d1 : FAILURE in 2m 24s