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

Build failed. - periodic-ceilometer-docs-mitaka http://logs.openstack.org/periodic-stable/periodic-ceilometer-docs-mitaka/b4... : SUCCESS in 4m 02s - periodic-ceilometer-python27-mitaka http://logs.openstack.org/periodic-stable/periodic-ceilometer-python27-mitak... : FAILURE in 5m 31s - periodic-ceilometer-docs-newton http://logs.openstack.org/periodic-stable/periodic-ceilometer-docs-newton/e3... : SUCCESS in 7m 16s - periodic-ceilometer-python27-newton http://logs.openstack.org/periodic-stable/periodic-ceilometer-python27-newto... : FAILURE in 4m 28s