[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/e038... : SUCCESS in 4m 34s - periodic-ceilometer-python27-kilo http://logs.openstack.org/periodic-stable/periodic-ceilometer-python27-kilo/... : SUCCESS in 7m 47s - periodic-ceilometer-docs-liberty http://logs.openstack.org/periodic-stable/periodic-ceilometer-docs-liberty/c... : SUCCESS in 4m 11s - periodic-ceilometer-python27-liberty http://logs.openstack.org/periodic-stable/periodic-ceilometer-python27-liber... : FAILURE in 3m 56s