drivers/virtualbox/network.go
func (n *hostOnlyNetwork) Save(vbox VBoxManager) error {
	if err := n.SaveIPv4(vbox); err != nil {
		return err
	}

	if n.DHCP {
		vbox.vbm("hostonlyif", "ipconfig", n.Name, "--dhcp") // not implemented as of VirtualBox 4.3
	}

	return nil
}
func (n *hostOnlyNetwork) Save(vbox VBoxManager) error {
	if err := n.SaveIPv4(vbox); err != nil {
		return err
	}

	if n.DHCP {
		vbox.vbm("hostonlyif", "ipconfig", n.Name, "--dhcp") // not implemented as of VirtualBox 4.3
	}

	return nil
}
// Save changes the configuration of the host-only network.