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Date: Tue, 22 Apr 2025 14:53:51 +0200
From: Florian Westphal <fw@strlen.de>
To: Slavko <linux@slavino.sk>
Cc: netfilter ML <netfilter@vger.kernel.org>
Subject: Re: nftables RP filter and loopback
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Slavko <linux@slavino.sk> wrote:
> + from 6.15 it will work even in input hook and lo as expected

Yes.

> + before 6.15 it doesn't work (properly) outside of prerouting
>   hook only with lo traffic (other ifaces works)

Yes.  fib works fine but not for loopback traffic.