libmachine/drivers/serial.go
func (d *SerialDriver) SetConfigFromFlags(opts DriverOptions) error {
	d.Lock()
	defer d.Unlock()
	return d.Driver.SetConfigFromFlags(opts)
}
func (d *SerialDriver) SetConfigFromFlags(opts DriverOptions) error {
	d.Lock()
	defer d.Unlock()
	return d.Driver.SetConfigFromFlags(opts)
}
// SetConfigFromFlags configures the driver with the object that was returned
// by RegisterCreateFlags