[Openstack-stable-maint] Stable check of openstack/cinder for ref refs/heads/stable/ussuri failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/1e7a6649d0544667abf3d7516d843b... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d9ca0fbd7e064878af90e052c040c846 : POST_FAILURE in 14m 46s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2d1a1c765cb747adb6aa3bbe761c9228 : SUCCESS in 9m 18s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5e98a761fe8f4ebaa806bfb06c7bf03f : POST_FAILURE in 9m 03s