411's have this behaviour when you set the ethernet port on your computer to 10mbps half duplex.
Settings for eth0:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
Advertised auto-negotiation: Yes
Supports Wake-on: pumbg
Current message level: 0x00000001 (1)
Link detected: yes
100Mb/s with autonegotiation, but the failure is in the logs...