curl -i -X POST 'http://localhost:3080/v2/compute/projects/a1e920ca-338a-4e9f-b363-aa607b09dd80/iou/nodes/8142c124-6d3f-4625-a823-4bf6cc153ab1/duplicate' -d '{"destination_node_id": "71b49bc3-8bd3-4c5f-aea9-5d10e9e6f925"}'

POST /v2/compute/projects/a1e920ca-338a-4e9f-b363-aa607b09dd80/iou/nodes/8142c124-6d3f-4625-a823-4bf6cc153ab1/duplicate HTTP/1.1
{
    "destination_node_id": "71b49bc3-8bd3-4c5f-aea9-5d10e9e6f925"
}


HTTP/1.1 201
Connection: close
Content-Length: 4
Content-Type: application/json
Date: Thu, 14 Jun 2018 08:34:55 GMT
Server: Python/3.5 GNS3/2.1.8dev1
X-Route: /v2/compute/projects/{project_id}/iou/nodes/{node_id}/duplicate

true