>>	it seems that ppp (or bpf) got a bug.  after upgrading to
>>	very recent 1.6H (yesterday) bpf reports "truncated ip" for any
>>	outgoing traffic.  anyone got clues?
>	it looks more like bpf problem to me.

	and loopback traffic while bpf is active leads to kernel panic.
	filed a PR - 18392.

itojun