>
> ne0 at pci0 dev 13 function 0: RealTek 8029 Ethernet
> ne0: 10base2, 10baseT, 10baseT-FDX, auto, default [0x00 0x00] auto
> ne0: Ethernet address 00:00:00:00:00:00
> ne0: interrupting at irq 10
>
> The funny thing is that occasionally it boots up with the correct MAC
> address, and when I boot into Windows it also gets the correct address.
> Not that I've tried Windows recently, but I've had that card in there for
> a few years now.

looks like EEPROM chip got broken