[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/6dacfac79adb4234825842e2b9b98f... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d2a9f7f0504848ed9aeb3c31f931fb47 : SUCCESS in 3m 21s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/000d43155b78451d941637f7bec05cc1 : SUCCESS in 3m 03s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/30a857c6f42f4a0194c7846ba625f80d : FAILURE in 3m 35s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c6da61f5d5b843709d0790c6b8402abe : FAILURE in 3m 50s