+ any of the links at that time
+
+These things will change in future udev versions:
+ o make DRIVER== to match only the event device
+ (DRIVERS must be used, we currently translate it to DRIVERS and print
+ a warning if DRIVER is used)
+
+ o warn if BUS, ID, SYSFS are used as keys
+ (they are SUBSYSTEMS, KERNELS, ATTRS now)