IPv4 packet logging

modulename: nf_log_ipv4.ko

configname: CONFIG_NF_LOG_IPV4

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>IP: Netfilter Configuration
└─>IPv4 packet logging
In linux kernel since version 3.10 (release Date: 2013-06-30)  
source code:
net/ipv4/netfilter/nf_log_ipv4.c