Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/neutron-vpnaas/stable/pike/build-openstack-sphinx-docs/5175318/ : RETRY_LIMIT in 6m 02s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/neutron-vpnaas/stable/pike/openstack-tox-py27/b80a10b/ : SUCCESS in 6m 37s