I'm an absolutely Sabayon newbie, so please be patient with me.
I just run the sabayon 8 64 Bit KDE DVD and unfortunately I do not get any network access. Running ifconfig there is only the loopback device no eth0 or similar.
The KDE network control module does not offer any wired connection.
04:00.0 Ethernet controller: Broadcom Corporation NetLink BCM57780 Gigabit Ethernet PCIe (rev 01)