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

Build failed. https://zuul.opendev.org/t/openstack/buildset/6236c9394c4545bfa18ad0fe438f7f... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e37380428ae0402da95a5dfa7ec5ad57 : SUCCESS in 14m 49s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4dc6ec7a27e74a6f95d6678263ddbb7e : SUCCESS in 9m 35s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a07efd64d6234ddc85f7dcfec7d4ff35 : SUCCESS in 9m 40s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2126550a32c34366845d28072412e81e : FAILURE in 11m 31s