renames network interfaces based on mac addresses. When no arguments are
is read. Each line of it contains an interface name and a Ethernet MAC
address. Comments are allowed starting with #.
Otherwise the interfaces specified on the command line are processed.
looks for the interface with the given MAC address and renames it to the
argument is given all error messages go to the syslog.
argument is given with a file name that file is read instead of /etc/mactab.
should be run before the interface is up, otherwise it'll fail.