curl -i -X POST 'http://localhost:3080/v2/projects/e523d2ae-d972-4ecc-afae-4e3fb6bec7a4/nodes/stop' -d '{}'

POST /v2/projects/e523d2ae-d972-4ecc-afae-4e3fb6bec7a4/nodes/stop HTTP/1.1
{}


HTTP/1.1 204
Connection: close
Content-Length: 0
Content-Type: application/octet-stream
Date: Mon, 19 Nov 2018 18:34:05 GMT
Server: Python/3.6 GNS3/2.2.0dev4
X-Route: /v2/projects/{project_id}/nodes/stop