opts.policy = util.MergeSubsetTrafficPolicy(opts.policy, subset.TrafficPolicy, opts.port)

	if destRule != nil {
		destinationRule := CastDestinationRule(destRule)
		opts.isDrWithSelector = destinationRule.GetWorkloadSelector() != nil
	}
	// Apply traffic policy for the subset cluster.
	cb.applyTrafficPolicy(opts)

	maybeApplyEdsConfig(subsetCluster.cluster)

	cb.applyMetadataExchange(opts.mutable.cluster)

		if sc.Namespace == destRule.rule.Namespace &&
			destinationRule.GetWorkloadSelector() != nil && direction == TrafficDirectionOutbound {
			workloadSelector := labels.Instance(destinationRule.GetWorkloadSelector().GetMatchLabels())
			// return destination rule if workload selector matches
			if workloadSelector.SubsetOf(proxy.Labels) {
				return destRule
			}