It's running Openwrt 25.12.2. Linux OpenWrt-Pi 6.12.74 #0 SMP Wed Mar 25 20:09:53 2026 aarch64 GNU/Linux.
I have not found the problem on mainstream Linux at all, but was only able to recently test a 32bit raspberry pi. Testing anything else is a problem as older Debian versions use nftables prior to the implementation of 'nft reset'