From mboxrd@z Thu Jan  1 00:00:00 1970
From: Florian Westphal <fw@strlen.de>
Subject: Re: per flow stats collection using libnetfilter_conntrack
Date: Mon, 27 Feb 2017 23:12:58 +0100
Message-ID: <20170227221258.GA30877@breakpoint.cc>
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Cc: netfilter-devel@vger.kernel.org
To: Tarun Khanna <tkhanna@akamai.com>
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Tarun Khanna <tkhanna@akamai.com> wrote:
> Is it possible to register for callbacks so that a user application is
> updated on a regular basis when the packet or bytes counts change for flows?

No, update to packet/byte count doesn't trigger an event (it would
trigger too often).

> I can poll the stats using something similar to "conntrack -L". However, I
> was wondering if it's possible to be notified regularly on updates.

No.  What semantics would you be interested in?

Dumping is quite fast, whats the problem you need to solve?