mpd4 gone stale

Alexander Motin wrote to the kernel@ mailing list about netgraph in DragonFly; it was getting difficult for him to maintain compatibility with mpd4 in the FreeBSD-4 style netgraph in DragonFly and also support netgraph in FreeBSD.  Matthew Dillon said “Don’t wait up“.  Anyone feel like updating netgraph?  It’s probably not easy.