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Date:   Mon, 8 Jul 2019 16:02:25 +0200
From:   Florian Westphal <fw@strlen.de>
To:     Paul Blakey <paulb@mellanox.com>
Cc:     Florian Westphal <fw@strlen.de>, Jiri Pirko <jiri@mellanox.com>,
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Subject: Re: [PATCH net-next v4 1/4] net/sched: Introduce action ct
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Paul Blakey <paulb@mellanox.com> wrote:
> Like if conntrack has just timed it out (or conntrack flushed), and skb 
> holds the last ref?

Yes, thats very unlikely but its possible.