Re: [REGRESSION] 6.19.4 stable netfilter / nftables [resolved]

[Genes Lists <lists@sapience.com>]

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On Fri, 2026-02-27 at 07:23 -0500, Genes Lists wrote:
> On Fri, 2026-02-27 at 09:00 +0100, Thorsten Leemhuis wrote:
> > Lo!
> > 
> 
> Repeating the nft error message here for simplicity:
> 
>  Linux version 7.0.0-rc1-custom-1-00124-g3f4a08e64442 ...
>   ...
>   In file included from /etc/nftables.conf:134:2-44:
>   ./etc/nftables.d/set_filter.conf:1746:7-21: Error:
>   Could not process rule: File exists
>                  xx.xxx.xxx.x/23,
>                  ^^^^^^^^^^^^^^^
> 

Resolved by updating userspace.

I can reproduce this error on non-production machine and found this
error is resolved by re-bulding updated nftables, libmnl and libnftnl:

With these versions nft rules now load without error:

 - nftables commit de904e22faa2e450d0d4802e1d9bc22013044f93
 - libmnl   commit 54dea548d796653534645c6e3c8577eaf7d77411
 - libnftnl commit 5c5a8385dc974ea7887119963022ae988e2a16cc

All were compiled on machine running 6.19.4.



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