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

Build failed. https://zuul.opendev.org/t/openstack/buildset/fa4495fdc22d453284cc247e7329c2... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/cb76d025685045aba0f149f103786324 : TIMED_OUT in 31m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8f06ba700f084a5a89ba4d4723697823 : SUCCESS in 15m 23s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3723192ff3b54598bca259b727b485f4 : SUCCESS in 12m 12s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f41acbc7a2e24707a16e8432f2bf9ea5 : SUCCESS in 14m 36s