Replace /dev/bpf[0-9] with /dev/bpf and /dev/bpf0. The /dev/bpf node is
unused for now, but I plan to convert all programs in base to use it in
a future diff. /dev/bpf0 is for compatibility with existing binaries
and is to be removed after a transition period.
ok rpe krw, for the installer part
"Let's see it hit the tree." deraadt