From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: rx_dropped packets stop with tcpdump running
Date: Thu, 19 Apr 2012 15:28:08 +0200
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On Thu, 2012-04-19 at 15:24 +0200, Eric Dumazet wrote:

> When linux receives a packet with no protocol handler, we increment the
> rx_dropped counter.
> 
> When you start a tcpdump, all packets are handled, so we dont increment
> rx_dropped for this reason anymore.
> 
> 

Its done since 2.6.37 (commit caf586e5)