Netfilter nf_tables fib inet support

modulename: nft_fib_inet.ko

configname: CONFIG_NFT_FIB_INET

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>Core Netfilter Configuration
└─>Netfilter nf_tables fib inet support
In linux kernel since version 4.1 (release Date: 2015-06-21)  
This option allows using the FIB expression from the inet table.
The lookup will be delegated to the IPv4 or IPv6 FIB depending
on the protocol of the packet.

source code: