{
  "event": "addLink",
  "payload": {
    "id": "of:0000000000000007/4-of:0000000000000006/1",
    "type": "direct",
    "online": true,
    "linkWidth": 2,
    "src": "of:0000000000000007",
    "srcPort": "4",
    "dst": "of:0000000000000006",
    "dstPort": "1"
  }
}