[expert] Net Dev question

[RoadRunner]

I keep getting this message ..., it appears at random an seems to bring the network down .. for a while on the eth1 interface card.  The eth0 seems to work fine...  If i restart the network it works for a while then it quits ?     42 speedy kernel: NETDEV WATCHDOG: eth1: transmit timed out Sep  4 18:43:42 speedy kernel: eth1: Transmit timed out, status fc664010, CSR12 00 000000, resetting   What the heck is netdev wathdog ... ?   HardDrake does not recognize this network card either .. SMC 1244TX   eth1      Link encap:Ethernet  HWaddr 00:50:BF:FE:CC:86           inet addr:192.168.2.5  Bcast:192.168.2.255  Mask:255.255.255.0           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1           RX packets:1135525 errors:0 dropped:0 overruns:0 frame:0           TX packets:1697310 errors:868 dropped:0 overruns:1 carrier:0           collisions:0 txqueuelen:100           RX bytes:75333002 (71.8 Mb)  TX bytes:2565042183 (2446.2 Mb)           Interrupt:4 Base address:0xec00     Any help appreciated...