Comment 1 for bug 1659910

Just to quickly add to the above, It seem to have an issue with the device_owner being detected as 'network:router_interface_distributed'

INFO:root:2017-01-27 17:57:11,843:Going to delete Port (id='4eedd709-5f89-4284-83c7-02a423f2c68f', network_id='8e209f39-12c8-4d87-95aa-8bca74c4a207, device_owner='network:router_interface_distributed')'

ERROR:root:2017-01-27 17:57:49,012:Can't deal with Ports: OpenStackCloudException("Error deleting port 4eedd709-5f89-4284-83c7-02a423f2c68f: Port 4eedd709-5f89-4284-83c7-02a423f2c68f cannot be deleted directly via the port API: has device owner network:router_interface_distributed.\nNeutron server returns request_ids: ['req-79cbfb93-1db4-46a7-b95c-975bacd79fb7']",)

ERROR:root:2017-01-27 17:57:47,006:Can't deal with Routers: OpenStackCloudException("Error deleting router a29af1f7-944c-4308-b4a5-b64cd1948f5c: Router a29af1f7-944c-4308-b4a5-b64cd1948f5c still has ports\nNeutron server returns request_ids: ['req-b678979b-5f68-4804-8eeb-994f5df1ee44']",)