This is the Linux device driver released for RealTek RTL8168B/8111B, RTL8168C/8111C,
RTL8168CP/8111CP, RTL8168D/8111D, RTL8168DP/8111DP, and RTL8168E/8111E Gigabit
Ethernet controllers with PCI-Express interface.

To build the module for a kernel that isn't currently running on the system pass
that kernel's "uname -r" ouput such as:  KERNEL=4.4.0" ./r8168.SlackBuild

To use this module blacklist the r8169 driver in /etc/modprobe.d/blacklist.conf:

blacklist r8169

This will need to be rebuilt for every new kernel installed.