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

Build failed. - periodic-keystone-docs-havana http://logs.openstack.org/periodic-stable/periodic-keystone-docs-havana/155c... : SUCCESS in 4m 34s - periodic-keystone-python26-havana http://logs.openstack.org/periodic-stable/periodic-keystone-python26-havana/... : FAILURE in 16m 16s - periodic-keystone-python27-havana http://logs.openstack.org/periodic-stable/periodic-keystone-python27-havana/... : FAILURE in 14m 42s