Stopping by to chime in: I'm attempting to set up Unraid for the first time on an H470M (with an I219-V NIC), and Unraid is unable to load a network driver (and fails to boot into GUI as well).  Going to give the Unraid beta a try and see if that fixes it (as I'm not quite willing to go out of my way to compile my own custom 6.8.3 kernel to get it working).  On the one hand, I'd like to stick with a nice Stable release, but in this case 6.9-beta seems like a fairly low risk so far since it's mos