[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/188f9a... : SUCCESS in 7m 11s - periodic-keystone-python27-kilo http://logs.openstack.org/periodic-stable/periodic-keystone-python27-kilo/c1... : FAILURE in 11m 48s - periodic-keystone-docs-liberty http://logs.openstack.org/periodic-stable/periodic-keystone-docs-liberty/76e... : SUCCESS in 7m 05s - periodic-keystone-python27-liberty http://logs.openstack.org/periodic-stable/periodic-keystone-python27-liberty... : FAILURE in 10m 55s