Netfilter nf_tables netdev packet duplication support
modulename: nft_dup_netdev.ko
configname: CONFIG_NFT_DUP_NETDEV
Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>Core Netfilter Configuration
└─>Netfilter nf_tables netdev packet duplication support
In linux kernel since version 4.1 (release Date: 2015-06-21)
This option enables packet duplication for the "netdev" family.