ne0: warning - receiver ring buffer overrun
ne0: length does not match next packet pointer
ne0: len 760e nlen 7a0e start 4c first 7d curr 7e next f8 stop 80
ne0: NIC memory corrupt - invalid packet length 31246
uvm_fault(0xf01ea298, 0xf3bbe000, 0, 1) -> 1
ne0: warning - receiver ring buffer overrun

I take it it means what it says
ne0: NIC memory corrupt - invalid packet length 31246
ie., I need to send the ethernet card back?

Patrick