root:/sources/caspur/bin# udevtest /sys/block/hdd
This program is for debugging only, it does not run any program,
specified by a RUN key. It may show incorrect results, because
some values may be different, or not available at a simulation run.

parse_file: reading '/etc/udev/rules.d/05-udev-early.rules' as rules file
parse_file: reading '/etc/udev/rules.d/25-lfs.rules' as rules file
parse_file: reading '/etc/udev/rules.d/26-modprobe.rules' as rules file
parse_file: reading '/etc/udev/rules.d/27-firmware.rules' as rules file
parse_file: reading '/etc/udev/rules.d/60-cdrom_id.rules' as rules file
parse_file: reading '/etc/udev/rules.d/60-persistent-input.rules' as rules file
parse_file: reading '/etc/udev/rules.d/60-persistent-storage.rules' as rules file
parse_file: reading '/etc/udev/rules.d/70-persistent-net.rules' as rules file
parse_file: reading '/etc/udev/rules.d/75-cd-aliases-generator.rules' as rules file
parse_file: reading '/etc/udev/rules.d/75-persistent-net-generator.rules' as rules file
parse_file: reading '/etc/udev/rules.d/81-cdrom.rules' as rules file
parse_file: reading '/etc/udev/rules.d/95-udev-late.rules' as rules file
unable to open device '/block/hdd'
root:/sources/caspur/bin#