Netfilter x_tables over nf_tables module

modulename: nft_compat.ko

configname: CONFIG_NFT_COMPAT

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>Core Netfilter Configuration
└─>Netfilter x_tables over nf_tables module
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This is required if you intend to use any of existing
x_tables match/target extensions over the nf_tables
framework.

source code:
net/netfilter/nft_compat.c