8.8. Controlling the Selection of Network Device Names

Device naming can be controlled in the following manner:
By identifying the network interface device
Setting the MAC address in an ifcfg file using the HWADDR directive enables it to be identified by udev. The name will be taken from the string given by the DEVICE directive, which by convention is the same as the ifcfg suffix. For example, ifcfg-eth0.
By turning on or off biosdevname
The name provided by biosdevname will be used (if biosdevname can determine one).
By turning on or off the systemd-udev naming scheme
The name provided by systemd-udev will be used (if systemd-udev can determine one).