fun with MSI, ACPI, and freebsd.
...freebsd, I couldn't get the second NIC to work at all, it turns out after looking at 'vmstat -i' that em0 and em1 where sharing an interrupt
vmstat -i interrupt total rate irq3: sio1 52807402 55 irq4: sio0 1604 0 irq14: ata0 36 0 irq16: em0 em1+ 2527378 2 irq19: uhci1+ 86991 0 cpu0: timer 1886077214 2000 cpu1: timer 1886076861 2000 Total...

