[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/68... : SUCCESS in 8m 25s - periodic-ceilometer-python26-havana http://logs.openstack.org/periodic-stable/periodic-ceilometer-python26-havan... : FAILURE in 56s - periodic-ceilometer-python27-havana http://logs.openstack.org/periodic-stable/periodic-ceilometer-python27-havan... : SUCCESS in 9m 44s