The MultiMac project
has updated (4/21/2011) drivers, although they are now hosted on the
eComStation BetaZone, and no longer publicly available. The Intel
e1000e driver is at version 0.1.6, the Nvidia nveth driver is at version
0.1.7, and the Realtek r8110 driver is at version 0.1.3. These are all
NDIS drivers based on Linux kernel modules.
Source: OS/2 Warp News and Rumors