Previously podman was using "MB" and "GB" (binary) for input but
"MB" and "GB" (decimal) for output, which was causing confusion.
Signed-off-by: Anders F Björklund <anders.f.bjorklund@gmail.com>
When no name arg is given to Podman machine commands, Podman assumes the machine name is podman-machine-default. Document this behavior.
Signed-off-by: Ashley Cui <acui@redhat.com>