From owner-freebsd-stable@freebsd.org  Sun Oct 18 21:00:53 2015
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Date: Mon, 19 Oct 2015 00:00:49 +0300
From: Slawa Olhovchenkov <slw@zxy.spb.ru>
To: Adrian Chadd <adrian.chadd@gmail.com>
Cc: "stable@freebsd.org" <stable@freebsd.org>
Subject: Re: 82576 + NETMAP + VLAN
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On Sun, Oct 18, 2015 at 01:29:23PM -0700, Adrian Chadd wrote:

> On 18 October 2015 at 11:56, Slawa Olhovchenkov <slw@zxy.spb.ru> wrote:
> > I have 82576 in NETMAP mode.
> > 802.1q packets received in decapsulated form.
> > This is bug or this is normal behavior?
> 
> I don't know if it's a bug or not; I don't know if it was ever defined
> behaviour.
> You should just disable the hardware vlan option via ifconfig or the
> ioctl and it'll "work right".

I am already do this, but this is very bad behavior: undocumented and
unpredicable.
82599ES received this packets in 802.1q form.