[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/05a2aca7e94743abb3fd500a8fd58fcb : SUCCESS in 5m 01s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ab6e8c0dcefb42ac85ce9ac42c67dbd9 : SUCCESS in 5m 44s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/201c3a90af8c4e0592d8f742397b9462 : FAILURE in 4m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c854e1611c7148a784443defe4442f18 : FAILURE in 6m 47s