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

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- periodic-octavia-docs-liberty http://logs.openstack.org/periodic-stable/periodic-octavia-docs-liberty/255d... : SUCCESS in 3m 15s - periodic-octavia-python27-liberty http://logs.openstack.org/periodic-stable/periodic-octavia-python27-liberty/... : FAILURE in 3m 48s - periodic-octavia-docs-mitaka http://logs.openstack.org/periodic-stable/periodic-octavia-docs-mitaka/fd4a6... : SUCCESS in 3m 09s - periodic-octavia-python27-mitaka http://logs.openstack.org/periodic-stable/periodic-octavia-python27-mitaka/7... : SUCCESS in 4m 23s