It was never designed to run params in ansync mode,
and i always been against this change because async
here is too fragile.

p.s.:

I think this might be a reason for

https://github.com/checkpoint-restore/criu/issues/647Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>