{ "type" : "path", "stack" : [ { "header" : "mac" }, { "header" : "ipv4", "fields" : [ { "name" : "src", "value" : "1.1.1.1", "mask" : "255.255.255.255" }, { "name" : "dst", "value" : "2.2.2.2", "mask" : "255.255.255.255" } ] }, { "header" : "udp" } ], "actions" : "rss" }