{
  "event": "addLink",
  "payload": {
    "id": "of:0000000000003333/1-of:0000000000000001/9",
    "type": "direct",
    "online": true,
    "linkWidth": 2,
    "src": "of:0000000000003333",
    "srcPort": "1",
    "dst": "of:0000000000000001",
    "dstPort": "9"
  }
}