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

Build failed. - periodic-keystone-docs-liberty http://logs.openstack.org/periodic-stable/periodic-keystone-docs-liberty/a6b... : SUCCESS in 4m 20s - periodic-keystone-python27-db-liberty http://logs.openstack.org/periodic-stable/periodic-keystone-python27-db-libe... : SUCCESS in 10m 31s - periodic-keystone-docs-mitaka http://logs.openstack.org/periodic-stable/periodic-keystone-docs-mitaka/9219... : SUCCESS in 2m 51s - periodic-keystone-python27-db-mitaka http://logs.openstack.org/periodic-stable/periodic-keystone-python27-db-mita... : FAILURE in 9m 32s