ACTION=="add", SUBSYSTEM=="net", DEVPATH=="/devices/virtual/net/lo", RUN+="/sbin/ifup $env{INTERFACE}"
ACTION=="add", SUBSYSTEM=="net", PROGRAM="/lib/udev/rename_device", RESULT=="?*", ENV{INTERFACE_NAME}="$result"
SUBSYSTEM=="net", RUN+="/etc/sysconfig/network-scripts/net.hotplug"