libmachine/drivers/serial.go
func (d *SerialDriver) GetCreateFlags() []mcnflag.Flag {
	d.Lock()
	defer d.Unlock()
	return d.Driver.GetCreateFlags()
}
func (d *SerialDriver) GetCreateFlags() []mcnflag.Flag {
	d.Lock()
	defer d.Unlock()
	return d.Driver.GetCreateFlags()
}
// GetCreateFlags returns the mcnflag.Flag slice representing the flags
// that can be set, their descriptions and defaults.