Create a new Dynamips device instance
- project_id: UUID for the project
- 400: Invalid request
- 201: Instance created
- 409: Conflict
| Name | Mandatory | Type | Description |
| device_id | ✔ | string | Dynamips router instance UUID |
| mappings | | object | |
| name | ✔ | string | Dynamips device instance name |
| ports | | array | |
| project_id | ✔ | string | Project UUID |