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

Build failed. https://zuul.opendev.org/t/openstack/buildset/0d478670a14b411baf7048bfe7056b... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/64dbd9167a9f497ba9d098b7ce2b1356 : TIMED_OUT in 31m 21s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/93067b0f35b9485793e8a4203058fe5e : SUCCESS in 32m 51s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cf5e479d53414e56bd8346fc05922aef : SUCCESS in 33m 23s