[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/b3c70b19a4c94622a3d394e0715f70... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d6f983d2819f41148d32b8154574ca80 : SUCCESS in 3m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d975d9492b8141c1bd9b803046cb465f : SUCCESS in 3m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/af7d552ed77441d78b8cf40d2e0761b2 : FAILURE in 3m 48s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f03a504cc13848e8a1344e7b7f43c69e : FAILURE in 3m 14s