curl -i -X POST 'http://localhost:3080/v2/projects/a9dd6fbb-b6e9-43c6-a1b6-13cdce153f39/nodes/suspend' -d '{}'

POST /v2/projects/a9dd6fbb-b6e9-43c6-a1b6-13cdce153f39/nodes/suspend HTTP/1.1
{}


HTTP/1.1 204
Content-Length: 0
Content-Type: application/octet-stream
Date: Thu, 03 Nov 2016 17:20:01 GMT
Server: Python/3.5 GNS3/2.0.0dev4
X-Route: /v2/projects/{project_id}/nodes/suspend