Just look the other way
Xircom PCMCIA Ethernet Adapter Issues
eth0: RX drop,too much done (Mark Harvey)
Same message, but with 10baseT ... also "auto negotiation failed" (Serge Winitzki)
Date: 1999, Dec 07
From: David Hinds <email@example.com>
If the card works fine except for the messages, try to just ignore
them. The messages are harmless.
to: "Just look the other way"