be emulated by a rule placed before all other rules:
ACTION=="add", DEVPATH=="/devices/*", ENV{PHYSDEVBUS}=="?*", WAIT_FOR_SYSFS="bus"
+The option "udev_db" does no longer exist. All udev state will always
+be in /$udev_root/.udev/ now, there is no longer an option to set this
+to anything else.
+
udev 075
========
Silent a too verbose error logging for the old hotplug.d/ dev.d/