Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/4fbbf20d6710483aa7ff8617f6b97ac6 : RETRY_LIMIT in 4m 34s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4633a95ac1744545aba90c3ed1d4f12b : FAILURE in 3m 55s