[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/56f4300e155142698ea59bdafe5c41... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c1b1f1198a374063879e7bb8ebb940ea : SUCCESS in 3m 55s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/fb1854b7d0494fd6a6851283ca13f6fc : SUCCESS in 3m 34s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/233d6e1deb6249ee9f6be5e9e21f1c74 : FAILURE in 3m 35s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9417d87fca264548959bf0350c579db2 : FAILURE in 3m 09s