Netfilter nf_table bridge meta support

modulename: nft_meta_bridge.ko

configname: CONFIG_NFT_BRIDGE_META

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>Ethernet Bridge nf_tables support
└─>Netfilter nf_table bridge meta support
In linux kernel since version 3.16 (release Date: 2014-08-03)  
Add support for bridge dedicated meta key.

source code: