[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/9e9741f31076417da4ee2fa98709298a : SUCCESS in 3m 54s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a8c9e025ffc54e32aac991e9e5e949d1 : SUCCESS in 4m 00s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a34108764e44405396406b3025fd71ee : FAILURE in 3m 38s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a183b4a26e6344aa9979c9a051047258 : FAILURE in 4m 05s