
Part of blueprint vif-plugging-improvements Quantum and Nova have duplicated functionality of packet filtering such as security groups and anti spoofing filters. By passing information whether Quantum supports the port filtering feature, Nova VIF driver can skip its own packet filtering setup. It is based on Daniel's advise in https://review.openstack.org/#/c/19436/ Change-Id: Ifd260cb61aa3990251510a4a3fe15454d8d584df