json_schema: {
      "$schema": "http://json-schema.org/draft-06/schema#",
      "type": "object",
      "additionalProperties": false,
      "properties": {
          "source_ip": {
              "$id": "/properties/source_ip",
              "title": "Source (device loopback IP)",
              "type": "string",
              "default": ""
          },
          "destination_ip": {
              "$id": "/properties/destination_ip",
              "title": "Destination (device loopback IP)",
              "type": "string",
              "default": ""
          },
          "vni": {
              "$id": "/properties/vni",
              "title": "VNI",
              "type": "integer",
              "default": 100
          },
          "count": {
              "$id": "/properties/count",
              "title": "Packet count",
              "type": "integer",
              "default": 5
          }
      },
      "required": [
          "source_ip",
          "destination_ip",
          "count",
          "vni"
      ]
  }