gns3-server/docs/api/examples/put_projectsprojectidvpcsvmsvmid.txt

curl -i -X PUT 'http://localhost:8000/v1/projects/a1e920ca-338a-4e9f-b363-aa607b09dd80/vpcs/vms/4905e649-6e81-446d-a60b-fd8b058a85e8' -d '{"console": 2011, "name": "test", "startup_script": "ip 192.168.1.1"}'

PUT /v1/projects/a1e920ca-338a-4e9f-b363-aa607b09dd80/vpcs/vms/4905e649-6e81-446d-a60b-fd8b058a85e8 HTTP/1.1
{
    "console": 2011,
    "name": "test",
    "startup_script": "ip 192.168.1.1"
}


HTTP/1.1 200
CONNECTION: keep-alive
CONTENT-LENGTH: 236
CONTENT-TYPE: application/json
DATE: Thu, 08 Jan 2015 16:09:15 GMT
SERVER: Python/3.4 GNS3/1.3.1.rc2
X-ROUTE: /v1/projects/{project_id}/vpcs/vms/{vm_id}

{
    "console": 2011,
    "name": "test",
    "project_id": "a1e920ca-338a-4e9f-b363-aa607b09dd80",
    "startup_script": "ip 192.168.1.1",
    "startup_script_path": "startup.vpc",
    "vm_id": "4905e649-6e81-446d-a60b-fd8b058a85e8"
}