Sepherosa Ziehau has a new version of drivers for em/emx(4) and igb(4). The initial versions had trouble, but testing is ongoing. Try it if you have the correct hardware.
Update: never mind.
A running description of activity related to DragonFly BSD.
I failed to figure out why the EEPROM access is bricked on I217/I218 w/ the new shared code. I plan to move on w/ the igb update first though; that will be in another branch…