curl -i -X POST 'http://localhost:8000/projects/{project_id}/iou/vms/{vm_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/nio' -d '{"ethernet_device": "eth0", "type": "nio_generic_ethernet"}'

POST /projects/{project_id}/iou/vms/{vm_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/nio HTTP/1.1
{
    "ethernet_device": "eth0",
    "type": "nio_generic_ethernet"
}


HTTP/1.1 201
CONNECTION: keep-alive
CONTENT-LENGTH: 69
CONTENT-TYPE: application/json
DATE: Thu, 08 Jan 2015 16:09:15 GMT
SERVER: Python/3.4 GNS3/1.3.dev1
X-ROUTE: /v1/projects/{project_id}/iou/vms/{vm_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/nio

{
    "ethernet_device": "eth0",
    "type": "nio_generic_ethernet"
}