curl -i -X POST 'http://localhost:3080/v2/projects/816c58e8-3432-4662-b3d5-10c5899194fc/nodes/stop' -d '{}'

POST /v2/projects/816c58e8-3432-4662-b3d5-10c5899194fc/nodes/stop HTTP/1.1
{}


HTTP/1.1 204
Connection: close
Content-Length: 0
Content-Type: application/octet-stream
Date: Tue, 27 Nov 2018 15:09:40 GMT
Server: Python/3.6 GNS3/2.2.0dev5
X-Route: /v2/projects/{project_id}/nodes/stop