curl -i -X POST 'http://localhost:3080/v2/computes/my_compute/qemu/img' -d '{"path": "/test"}'

POST /v2/computes/my_compute/qemu/img HTTP/1.1
{
    "path": "/test"
}


HTTP/1.1 200
Connection: close
Content-Length: 2
Content-Type: application/json
Date: Mon, 08 Jan 2018 08:16:30 GMT
Server: Python/3.6 GNS3/2.1.2dev1
X-Route: /v2/computes/{compute_id}/{emulator}/{action:.+}

[]