/usr/bin/nbd-trplay

/usr/bin/nbd-trplay: invalid option -- '-'
/usr/bin/nbd-trplay -i <image> -l <log> [-m <max blocks>] [-b <block size]

This is nbd-trplay, part of nbd 3.27.1.
Use: /usr/bin/nbd-trplay -i <image> -l <log> [-m <max blocks>] [-b <block size]
 Applies up to <max blocks> elements from file <log> to disk image <image>.
 Command line parameters:
 <image>: name of the initial image file.
 <log>: nbd trace log. Must contain actual data (datalog=true).
 <block size>: device block size. Default 512.
 <max blocks>: where to stop the replay. Default all.
  -v: Increase verbose level. Specify multiple times to increase further.