[Openstack-stable-maint] Stable check of openstack/keystone failed

Build failed. - periodic-keystone-docs-juno http://logs.openstack.org/periodic-stable/periodic-keystone-docs-juno/1dca03... : FAILURE in 3m 38s - periodic-keystone-python26-juno http://logs.openstack.org/periodic-stable/periodic-keystone-python26-juno/d6... : FAILURE in 3m 19s - periodic-keystone-python27-juno http://logs.openstack.org/periodic-stable/periodic-keystone-python27-juno/12... : FAILURE in 2m 47s - periodic-keystone-docs-kilo http://logs.openstack.org/periodic-stable/periodic-keystone-docs-kilo/283e57... : SUCCESS in 4m 17s - periodic-keystone-python27-kilo http://logs.openstack.org/periodic-stable/periodic-keystone-python27-kilo/b3... : SUCCESS in 7m 39s