https://bugs.winehq.org/show_bug.cgi?id=40240
--- Comment #4 from Henri Verbeet hverbeet@gmail.com --- (In reply to François Gouget from comment #3)
- Make sure the echo will be performed on boot, on all VM hosts so the
Windows 10 VM can be moved around at will.
It may be easier to just pass the parameter on the kernel command line.