Description of problem: Currently there is only Bulk creation of Port resources making management of large clusters where large amounts (1000+) of ports may need to be created or deleted at once quite unwieldy. This feature request calls for adding support for ml2 bulk deletion just like it exists for creation. Steps to Reproduce: 1. openstack port delete port1 port2 port3 ... port N Actual results: N delete REST calls are sent to the API Expected results: 1 delete REST call is sent to the API Additional info: