[arch-general] nftables partially broken after kernel update to 4.16.9

David Runge dave at sleepmap.de
Tue May 22 06:58:47 UTC 2018

On 2018-05-21 23:31:57 (-0400), Bill Sun via arch-general wrote:
> I just updated one of my computer to 4.16.9. After update, the following
> nft commands will not work:
>     nft add table ip nat <--- this one works without error
> 	nft add chain ip nat prerouting { type nat hook prerouting priority 0 \; }
>     ^
>     This will give me the following error message:
>     Could not process rule: Device or resource busy.
> However, the default simple firewall still works. I have another
> computer that is still on 4.16.8, and the example above works; further,
> switching back to a lts kernel (4.14.41) also works.
Hmm, that's odd. I'm on linux-hardened 4.16.9 atm and my nftables
configuration has a `policy accept;` for said chain, which is working.
Does only the nft command fail, or does it work, when it's in a
configuration file?


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