default or selected kernelversion does not have config value CONFIG_NETFILTER_DEBUG.
Result is shown for kernelversion 6.5.1
Network packet filtering debugging
configname: CONFIG_NETFILTER_DEBUG
Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>Network packet filtering debugging
In linux kernel since version 2.6.12
You can say Y here if you want to get additional messages useful in
debugging the netfilter code.
debugging the netfilter code.