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From: Eugene Grosbein <egrosbein@rdtc.ru>
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To: Nikolay Nevzorov <nevzorovn@gmail.com>
Subject: Re: kern/171520: [alc] alc network driver + tso + vlan does not work.
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21.10.2012 12:19, Nikolay Nevzorov wrote:
> There is libalias in my kernel config, and i use it on ng0,  not on alc0. And libalias used not in ipfw - netgraph with it builded by mpd. Anyway this bug? 

AFAIK, mpd uses ng_nat(4) that is based on kernel version of libalias, the same as ipfw nat is based on.
So, the warning applies to mpd's internal NAT too. I guess this should be a culprit.

Can you exclude NAT to perform "clean" experiment? Does the issue disappear when you do?

Eugene Grosbein