Update:

> drivers for [...] onboard Ethernet are still not completed.

Seems supported now, not sure since when:

http://amigaworld.net/modules/newbb/viewtopic.php?topic_id=39454&forum=33&start=20#743237

...or not:

http://amigaworld.net/modules/newbb/viewtopic.php?topic_id=39487&forum=2&start=80#744168
http://amigaworld.net/modules/newbb/viewtopic.php?topic_id=39487&forum=2&start=100#744413

[ Edited by Andreas_Wolf 04.11.2014 - 23:19 ]