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Date: Thu, 3 Sep 2026 08:54:53 +0200
From: Florian Westphal <fw@strlen.de>
To: Hangbin Liu <hangbin.liu@linux.dev>
Cc: Matthieu Baerts <matttbe@kernel.org>,
	MPTCP Linux <mptcp@lists.linux.dev>
Subject: Re: [PATCH mptcp-next 2/2] selftests: mptcp: convert iptables to
 nftables for mptcp_join.sh
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References: <20260902-mptcp_nft-v1-0-559caa16f410@kylinos.cn>
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 <513e6559-a06a-45d8-a8b7-72b3a1a77e71@kernel.org>
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In-Reply-To: <apkVLlKisTGIS_n_@fedora>

Hangbin Liu <hangbin.liu@linux.dev> wrote:
> The time for nft version is
> 
> real    43m37.393s
> user    0m29.183s
> sys     32m15.354s
> 
> I will find a way to only add the table when needed.

If you have to adjust this anyway, can you also change this to

... exec nft -f - <<EOF
add table ..
add chain ..
EOF

?

No need to call the binary for every single action.
Thanks!