func maybeSetHashPolicy(destinationRule *networking.DestinationRule, tcpProxy *tcp.TcpProxy, subsetName string) {
	if destinationRule != nil {
		useSourceIP := destinationRule.GetTrafficPolicy().GetLoadBalancer().GetConsistentHash().GetUseSourceIp()
		for _, subset := range destinationRule.Subsets {
			if subset.Name != subsetName {
				continue
			}
			// If subset has load balancer - see if it is also consistent hash source IP