{
  "event": "addLink",
  "payload": {
    "id": "of:0000000000000001/5-of:0000000000000002/7",
    "type": "direct",
    "online": true,
    "linkWidth": 2,
    "src": "of:0000000000000001",
    "srcPort": "5",
    "dst": "of:0000000000000002",
    "dstPort": "7",
    "props" : {
      "BW": "70 Gb"
    }
  }
}