Network device emulation not working (including uaenet.device)

[giantclambake]

See #1475 for reference.

Using the Roadshow TCP stack, none of the provided drivers match emulated network cards ;

It does however identify the uaenet.device correctly, and provide the applicable driver file to which you can attach the tcp stack, but it doesn't work (see discussion above) as no packets flow.

AFAICT, the emulated ethernet device is not being built ; slirp is providing mac_addr, but all other network device functionality is missing, and thus Roadshow cannot find a qualifying device.

TIA