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

Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7aa076f573244c908589083fc1c68e79 : SUCCESS in 6m 19s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f782d9474a60484f9fd11324030fd22f : SUCCESS in 5m 15s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b8bd9912d0ff40f6897cb4bd8feb5c2a : FAILURE in 6m 50s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a160aa3047b7421683a6063f93751f5c : FAILURE in 6m 59s