[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/cb0be2aac80d4108bd90b1660305ca... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/712d29208f2f492f83fbdd8f898ba1f3 : SUCCESS in 3m 19s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b31d04da10404ed4ae6e4cae8284491a : SUCCESS in 3m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9b6bb34f1512462797ff44b1c1af3bd4 : FAILURE in 4m 42s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3836f7183dbe4763a4e1ea700a717f9f : FAILURE in 3m 26s