I have put patches against vbox 5.2.2 at http://www.stderr.spb.ru/~uwe/netbsd/vbox-ga-5.2.2.diff They will be in 5.2.4. 5.2 had guest ioctl changes so I'd appreciate if my quick update for VBoxGuestNetBSDIOCtlSlow() is sanity checked (feel free to mail me privately to not spam the list). -uwe