Re: (there are no BPF devices)

[Greg Troxel <gdt%ir.bbn.com@localhost>]

ASV <asv%inhio.eu@localhost> writes:

> # ktrace tcpdump arp
> tcpdump: no suitable device found
>
> (kdump skipped)

that's your mistake - the kdump has the answer (but you are right not to
subject the list to a vast amount).  You should read it, and look for a
line with both NAMI and bpf, and see what the return code from open is.

Also, bpf devices typically need root permission.

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