From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Samuelson <psamuelson@efolder.net>
Subject: Re: TCP stalls with 802.3ad + bridge + kvm guest
Date: Sat, 4 Aug 2012 17:45:11 -0500
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Cc: Jay Vosburgh <fubar@us.ibm.com>, netdev@vger.kernel.org,
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To: Jesse Brandeburg <jesse.brandeburg@gmail.com>
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> [Jesse Brandeburg]
> > try
> > # ethtool -K ethx tso off gso off lro off

Specifically, 'lro off' is the trick.  The others don't have a
noticeable effect.  Now I can get 70 MB/s or better most of the time,
in either direction.

Thanks again,
Peter