ARP payload mangling

modulename: arpt_mangle.ko

configname: CONFIG_IP_NF_ARP_MANGLE

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>IP: Netfilter Configuration
└─>ARP payload mangling
In linux kernel since version 2.6.12  
Allows altering the ARP packet payload: source and destination
hardware and network addresses.

source code:
net/ipv4/netfilter/arpt_mangle.c