You probably need to build the realtek driver from source.
Note that link above gives specific Gentoo and Manrdiva releases this works out of the box on. Also Google says Kabuntu and Debian Sid, with a recent enough kernel. Google is your friend.
Quote (WDef @ May 02 2009,22:46)
Yes, it runs in QEMU in Windows.
modprobe r8169 gives a "no such device" error. modprobe 8390 doesn't give an error, but doesn't work either
I tried "make" with the drivers from realtek, which seem to yield an "error 1" in the process ... lots of messages the scroll too fast for me to read.
I've spent hours on google for several days now, and at this point I'm about ready to just install a windows webserver - productivity is at a standstill here.