{
  "networkId": "3",
  "src": {
    "device": "of:devid2",
    "port": "22" 
  },
  "dst": {
    "device": "of:devid1",
    "port": "21" 
  },
  "type": "VIRTUAL",
  "state": "ACTIVE",
  "tunnelId": "31"
}