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

Build failed. https://zuul.opendev.org/t/openstack/buildset/3c498cd8b064449d8e77bfe4bd5822... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/96a9edc653fa405e8b4beb9ce8aaa64f : POST_FAILURE in 22m 29s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6af11fe6b87f4b9c90ed65c21c7c5457 : SUCCESS in 7m 50s - openstack-tox-py38 https://zuul.opendev.org/t/openstack/build/0b684633a4bd4756a5aee58c4dbc1cbb : SUCCESS in 8m 44s