Netfilter egress support

configname: CONFIG_NETFILTER_EGRESS

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>Core Netfilter Configuration
└─>Netfilter egress support
In linux kernel since version 5.2 (release Date: 2019-07-07)  
This allows you to classify packets before transmission using the
Netfilter infrastructure.