-id | yes | string | The identifier of the link to be used when referring to it.
-bandwidth | yes | int | Maximum bandwidth for this link, given in bytes/s
-latency | no | double (default: 0.0) | Latency for this link.
-sharing_policy | no | SHARED\|FATPIPE\|FULLDUPLEX (default: SHARED) | Sharing policy for the link.