+ o warn if BUS, ID, SYSFS are used as keys
+ (they are SUBSYSTEMS, KERNELS, ATTRS now)
+
+These things are deprecated and scheduled for removal in a future
+udev version:
+ o remove old udevdb dump 'udevinfo -d'
+ (-e exports everything)
+
+ o remove udevstart
+ (we rely on the kernel "uevent" triggers of kernel 2.6.15 and no longer
+ want to guess event properties from sysfs like udevstart is doing it)
+
+ o remove extra for /etc/dev.d/ /etc/hotplug.d/
+ (that inefficient stuff should finally go away)