In 2.20 or earlier, port-show would have listed NO_RULE SG as the security group attached. We changed that in master so that it is completely hidden from neutron/nova, so this problem should not arise.
In 2.20 or earlier, port-show would have listed NO_RULE SG as the security group attached. We changed that in master so that it is completely hidden from neutron/nova, so this problem should not arise.