ACTION=="add", SUBSYSTEM=="net", PROGRAM="/lib/udev/detect_failover", RESULT=="?*", ENV{NET_FAILOVER}="$result"
ACTION=="add", SUBSYSTEM=="net", DRIVERS=="?*", ATTR{type}=="1", ENV{NET_FAILOVER}=="[01]*", PROGRAM="/lib/udev/rename_device", RESULT=="?*", NAME="$result"