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

Build failed. - periodic-nova-docs-grizzly http://logs.test.lan/periodic-stable/periodic-nova-docs-grizzly/c399197 : LOST - periodic-nova-python26-grizzly http://logs.test.lan/periodic-stable/periodic-nova-python26-grizzly/0391619 : LOST - periodic-nova-python27-grizzly http://logs.test.lan/periodic-stable/periodic-nova-python27-grizzly/b807e38 : LOST - periodic-nova-docs-havana http://logs.test.lan/periodic-stable/periodic-nova-docs-havana/049f00c : LOST - periodic-nova-python26-havana http://logs.test.lan/periodic-stable/periodic-nova-python26-havana/a293d15 : LOST - periodic-nova-python27-havana http://logs.test.lan/periodic-stable/periodic-nova-python27-havana/7ba0e99 : LOST