code: func (lb *loadBalancer) releaseLoadBalancerIP() error {
  	p := lb.Address.NewDisassociateIpAddressParams(lb.ipAddrID)
  
  	if _, err := lb.Address.DisassociateIpAddress(p); err != nil {
  		return fmt.Errorf("error releasing load balancer IP %v: %v", lb.ipAddr, err)
  	}
  
  	return nil
  }
docs: // releasePublicIPAddress releases an associated IP.