eth0: transmit timed out

My RedHat Enterprise 3.0 (from ev1servers.net) server froze and had to be rebooted. After getting back in, I saw this in /var/log/messages:

Aug 14 12:56:37 plain kernel: NETDEV WATCHDOG: eth0: transmit timed out
Aug 14 12:56:37 plain kernel: eth0: Setting 100mbps full-duplex based on auto-negotiated partner ability 45e1.
Aug 14 12:56:49 plain kernel: NETDEV WATCHDOG: eth0: transmit timed out
Aug 14 12:56:49 plain kernel: eth0: Setting 100mbps full-duplex based on auto-negotiated partner ability 45e1.
Aug 14 12:57:01 plain kernel: NETDEV WATCHDOG: eth0: transmit timed out
Aug 14 12:57:01 plain kernel: eth0: Setting 100mbps full-duplex based on auto-negotiated partner ability 45e1.

over and over again. Does anyone know what this means, and how to prevent it from occuring again? This has happened twice so far.

 

 

 

 

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