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

Build failed. - periodic-keystone-docs-kilo http://logs.openstack.org/periodic-stable/periodic-keystone-docs-kilo/be0d28... : SUCCESS in 6m 17s - periodic-keystone-python27-db-kilo http://logs.openstack.org/periodic-stable/periodic-keystone-python27-db-kilo... : NOT_REGISTERED - periodic-keystone-docs-liberty http://logs.openstack.org/periodic-stable/periodic-keystone-docs-liberty/4a3... : SUCCESS in 6m 44s - periodic-keystone-python27-db-liberty http://logs.openstack.org/periodic-stable/periodic-keystone-python27-db-libe... : NOT_REGISTERED