Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/c0d1ede093dd4b1da4d612d1c6621bfe : RETRY_LIMIT in 3m 30s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/49a0e45c6118466c8d8ebe41707bfa72 : FAILURE in 2m 48s