cp /etc/udev/rules.d/70-persistent-net.rules /etc/udev/rules.d/70-persistent-net.rules.bak

vi /etc/udev/rules.d/70-persistent-net.rules
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="08:00:27:20:e4:96", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"

mv /etc/sysconfig/network-scripts/ifcfg-eth4 /etc/sysconfig/network-scripts/ifcfg-eth0

vi /etc/sysconfig/network-scripts/ifcfg-eth0
NAME=eth0