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

Build failed. https://zuul.opendev.org/t/openstack/buildset/6052d632260c4097b1b1a4bbe7a86a... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7b56919f311e482397bd3664c0f538c2 : SUCCESS in 10m 59s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d58fbf83e5384a969ad0ddd17ba73f23 : TIMED_OUT in 41m 04s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f1d91daf041d4d03957516dfa6839738 : SUCCESS in 7m 45s