Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/c8f0e1b578fc4ab9a8d634d9aecbde21 : RETRY_LIMIT in 3m 46s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6fab2b481f51451c844eb682376a7e6e : FAILURE in 3m 26s