> #/dev/MAKEDEV bpf01 ... /dev/MAKEDEV bpf08

Ah.  I think this is the problem.  You should create the BPF files with
"MAKEDEV bpf0 bpf1 bpf2 ..." for as many as you think you need (try 16!).
CAP expects the files to be named /dev/bpf0 etc, not /dev/bpf00 etc.