code: func (h *netlinkHandle) UnbindAddress(address, devName string) error {
  	dev, err := h.LinkByName(devName)
  	if err != nil {
  		return fmt.Errorf("error get interface: %s, err: %v", devName, err)
  	}
  	addr := net.ParseIP(address)
  	if addr == nil {
  		return fmt.Errorf("error parse ip address: %s", address)
  	}
  	if err := h.AddrDel(dev, &netlink.Addr{IPNet: netlink.NewIPNet(addr)}); err != nil {
  		if err != unix.ENXIO {
  			return fmt.Errorf("error unbind address: %s from interface: %s, err: %v", address, devName, err)
  		}
  	}
  	return nil
  }
docs: // UnbindAddress makes sure IP address is unbound from the network interface.