curl -i -X POST 'http://localhost:3080/v2/shutdown' -d '{}' POST /v2/shutdown HTTP/1.1 {} HTTP/1.1 201 Connection: close Content-Length: 0 Content-Type: application/octet-stream Date: Tue, 20 Nov 2018 08:48:41 GMT Server: Python/3.6 GNS3/2.2.0dev5 X-Route: /v2/shutdown