usage: host-efi-vars [-h] [-l LEVEL] [-v] [-x] [--volatile]

options:
  -h, --help            show this help message and exit
  -l LEVEL, --loglevel LEVEL
                        set loglevel to LEVEL
  -v, --verbose         print varstore verbosely
  -x, --hexdump         print variable hexdumps
  --volatile            print volatile variables too