[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/fe44a4d502e449bca3ad89f092dec056 : SUCCESS in 5m 17s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/78f7e18ec09846dda29ddcf8e2df2bb8 : SUCCESS in 4m 25s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f20e3b51e0884f7eb56a65205d9163f6 : FAILURE in 4m 15s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/de4870c5a3f848e0bc442da440ad93bc : FAILURE in 5m 16s