libmachine/drivers/serial.go
func (d *SerialDriver) PreCreateCheck() error {
	d.Lock()
	defer d.Unlock()
	return d.Driver.PreCreateCheck()
}
func (d *SerialDriver) PreCreateCheck() error {
	d.Lock()
	defer d.Unlock()
	return d.Driver.PreCreateCheck()
}
// PreCreateCheck allows for pre-create operations to make sure a driver is ready for creation