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

Build failed. - periodic-octavia-docs-liberty http://logs.openstack.org/periodic-stable/periodic-octavia-docs-liberty/a744... : SUCCESS in 2m 26s - periodic-octavia-python27-liberty http://logs.openstack.org/periodic-stable/periodic-octavia-python27-liberty/... : UNSTABLE in 3m 10s - periodic-octavia-docs-mitaka http://logs.openstack.org/periodic-stable/periodic-octavia-docs-mitaka/8a394... : SUCCESS in 2m 22s - periodic-octavia-python27-mitaka http://logs.openstack.org/periodic-stable/periodic-octavia-python27-mitaka/3... : UNSTABLE in 1m 47s