Linux network problems, eth0 stops responding (Solved)

Turns out the NIC (Network Interface Card) was broken. The kernel upgrades didnt help, some just postponed the crash.
Switching to a new NIC (3Com) solved the problem.

root shanara# lspci | grep Ethernet
00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 7c)
05:08.0 Ethernet controller: D-Link System Inc DGE-528T Gigabit Ethernet Adapter (rev 10)
05:09.0 Ethernet controller: 3Com Corporation 3cSOHO100-TX Hurricane (rev 30)