Doing a lot of manual network configuration on your laptop? Do yourself a favor and make this tiny entry to save time looking up what those crazy interfaces might be called.

SUBSYSTEM=="net",DRIVERS=="?*",ATTR{address}=="01:23:45:67:89:ab",NAME="eth0"
SUBSYSTEM=="net",DRIVERS=="?*",ATTR{address}=="cd:ef:01:23:45:67",NAME="wlan0"
SUBSYSTEM=="net",DRIVERS=="?*",ATTR{address}=="89:ab:cd:ef:01:23",NAME="wwan0"