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

Build failed. - periodic-ceilometer-docs-liberty http://logs.openstack.org/periodic-stable/periodic-ceilometer-docs-liberty/3... : POST_FAILURE in 9m 10s - periodic-ceilometer-python27-liberty http://logs.openstack.org/periodic-stable/periodic-ceilometer-python27-liber... : POST_FAILURE in 12m 56s - periodic-ceilometer-docs-mitaka http://logs.openstack.org/periodic-stable/periodic-ceilometer-docs-mitaka/c1... : POST_FAILURE in 8m 22s - periodic-ceilometer-python27-mitaka http://logs.openstack.org/periodic-stable/periodic-ceilometer-python27-mitak... : POST_FAILURE in 12m 26s