[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/a8d4e36ea484480da3a6b8f1e02a24... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d1af87c403b74bc8ab6d01afb9f7c56b : SUCCESS in 3m 38s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/39db56e056c84f8cb7207ec401b566a4 : SUCCESS in 4m 06s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bd85a555a31441bb85c4e03e2ac5d5b4 : FAILURE in 3m 51s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ada31607e4674f92b982bff4600e2609 : FAILURE in 3m 06s