[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/8e0382bb0a284e42999b89e11524d8... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2d06b44704f64455a573eb3b14bbc1d0 : SUCCESS in 3m 19s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4496ee3efa7b486884946dbbadc1794f : SUCCESS in 4m 45s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e33b258ab68f4d1a83c6f70d01bd5f85 : FAILURE in 3m 45s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3dfcb6e9fe2a43ba803f1845b5867145 : FAILURE in 3m 47s