libmachine/drivers/base.go
func (d *BaseDriver) GetSSHKeyPath() string {
	if d.SSHKeyPath == "" {
		d.SSHKeyPath = d.ResolveStorePath("id_rsa")
	}
	return d.SSHKeyPath
}
func (d *BaseDriver) GetSSHKeyPath() string {
	if d.SSHKeyPath == "" {
		d.SSHKeyPath = d.ResolveStorePath("id_rsa")
	}
	return d.SSHKeyPath
}
// GetSSHKeyPath returns the ssh key path