Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/1d5f67e154f34bc89fddd8c6ac418f6c : RETRY_LIMIT in 6m 04s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/56ec554ca91d41718659803fa5d0c293 : FAILURE in 4m 55s