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

Build failed. - periodic-ironic-docs-juno http://logs.openstack.org/periodic-stable/periodic-ironic-docs-juno/a416aea/ : FAILURE in 6m 56s - periodic-ironic-python26-juno http://logs.openstack.org/periodic-stable/periodic-ironic-python26-juno/349d... : FAILURE in 6m 52s - periodic-ironic-python27-juno http://logs.openstack.org/periodic-stable/periodic-ironic-python27-juno/b2e3... : FAILURE in 6m 53s - periodic-ironic-docs-kilo http://logs.openstack.org/periodic-stable/periodic-ironic-docs-kilo/37a6d8e/ : SUCCESS in 8m 41s - periodic-ironic-python27-kilo http://logs.openstack.org/periodic-stable/periodic-ironic-python27-kilo/cc81... : SUCCESS in 6m 37s