code: func GetService(svc *Service) (*Service, error) {
  	svcs, err := services(svc)
  	if err != nil {
  		return nil, err
  	}
  	if len(svcs) == 0 {
  		return nil, errors.New("no service found")
  	}
  	return svcs[0], nil
  }
docs: // GetService returns the service entry that is currently configured in the
  // kernel IPVS table, which matches the specified service.