curl -i -X POST 'http://localhost:3080/v2/compute/projects/a1e920ca-338a-4e9f-b363-aa607b09dd80/iou/nodes/38dfca02-6ea0-44e8-b58c-b7bdca09308a/adapters/1/ports/0/nio' -d '{"ethernet_device": "bridge0", "type": "nio_ethernet"}'

POST /v2/compute/projects/a1e920ca-338a-4e9f-b363-aa607b09dd80/iou/nodes/38dfca02-6ea0-44e8-b58c-b7bdca09308a/adapters/1/ports/0/nio HTTP/1.1
{
    "ethernet_device": "bridge0",
    "type": "nio_ethernet"
}


HTTP/1.1 201
CONTENT-LENGTH: 64
CONTENT-TYPE: application/json
DATE: Thu, 08 Jan 2015 16:09:15 GMT
SERVER: Python/3.5 GNS3/2.0.0dev1
X-ROUTE: /v2/compute/projects/{project_id}/iou/nodes/{node_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/nio

{
    "ethernet_device": "bridge0",
    "type": "nio_ethernet"
}