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

Build failed. https://zuul.opendev.org/t/openstack/buildset/4f28be241ce1491e89ab14f2c35283... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a22e9e6fcb4f4b61af80dc18fd873386 : SUCCESS in 3m 24s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/585e1c7aab8d4c8c88586365a769c385 : FAILURE in 4m 17s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/cd62bac64ffa4a3c861b17d6401d6420 : SUCCESS in 4m 18s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0cfa9ebf4051402a8077a05f323e3292 : TIMED_OUT in 40m 49s