Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/d781a6bac3634934aab9be33ccfc8751 : RETRY_LIMIT in 3m 56s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/90ff8b13ed39454ab29602d01e76e6a9 : FAILURE in 4m 52s