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

Build failed. - periodic-ceilometer-docs-kilo http://logs.openstack.org/periodic-stable/periodic-ceilometer-docs-kilo/0362... : SUCCESS in 5m 10s - periodic-ceilometer-python27-kilo http://logs.openstack.org/periodic-stable/periodic-ceilometer-python27-kilo/... : SUCCESS in 6m 41s - periodic-ceilometer-docs-liberty http://logs.openstack.org/periodic-stable/periodic-ceilometer-docs-liberty/f... : SUCCESS in 5m 01s - periodic-ceilometer-python27-liberty http://logs.openstack.org/periodic-stable/periodic-ceilometer-python27-liber... : FAILURE in 4m 42s