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

Build failed.

- periodic-ceilometer-docs-havana http://logs.openstack.org/periodic-stable/periodic-ceilometer-docs-havana/00... : SUCCESS in 5m 52s - periodic-ceilometer-python26-havana http://logs.openstack.org/periodic-stable/periodic-ceilometer-python26-havan... : FAILURE in 8m 30s - periodic-ceilometer-python27-havana http://logs.openstack.org/periodic-stable/periodic-ceilometer-python27-havan... : FAILURE in 7m 37s