return errors.New("IPVS virtual service does not exist")
	}

	// curEndpoints represents IPVS destinations listed from current system.
	curEndpoints := sets.New[string]()
	curDests, err := proxier.ipvs.GetRealServers(appliedVirtualServer)
	if err != nil {
		proxier.logger.Error(err, "Failed to list IPVS destinations")
		return err
	}
	for _, des := range curDests {
		curEndpoints.Insert(des.String())
	}