netdev - Re: [PATCH net-next,v3 0/9] netfilter: flowtable bridge and vlan enhancements

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Date:   Mon, 16 Nov 2020 14:45:21 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Pablo Neira Ayuso <pablo@...filter.org>
Cc:     Tobias Waldekranz <tobias@...dekranz.com>,
        netfilter-devel@...r.kernel.org, davem@...emloft.net,
        netdev@...r.kernel.org, razor@...ckwall.org, jeremy@...zel.net
Subject: Re: [PATCH net-next,v3 0/9] netfilter: flowtable bridge and vlan
 enhancements

On Mon, 16 Nov 2020 23:36:15 +0100 Pablo Neira Ayuso wrote:
> > Are you saying A -> B traffic won't match so it will update the cache,
> > since conntrack flows are bi-directional?  
> 
> Yes, Traffic for A -> B won't match the flowtable entry, this will
> update the cache.

That's assuming there will be A -> B traffic without B sending a
request which reaches A, first.