ClusterMatched: expectedCluster,
						},
					}
					// For blackhole, we will 502 where possible instead of blackhole cluster
					// This only works for HTTP on HTTP
					if expectedCluster == util.BlackHoleCluster && call.IsHTTP() && isHTTPPort(call.Port) {
						e.Result.ClusterMatched = ""
						e.Result.VirtualHostMatched = util.BlackHole
					}
					testCalls = append(testCalls, e)
				}

		port = service.Ports[0].Port

		// Do not return blackhole cluster for service==nil case as there is a legitimate use case for
		// calling this function with nil service: to route to a pre-defined statically configured cluster
		// declared as part of the bootstrap.
		// If blackhole cluster is needed, do the check on the caller side. See gateway and tls.go for examples.
	}

						PortSpecifier: &core.SocketAddress_PortValue{
							PortValue: 15006,
						},
					},
				},
			},
			FilterChains: []*listener.FilterChain{
				{
					Name: "virtualInbound-blackhole",
					FilterChainMatch: &listener.FilterChainMatch{
						DestinationPort: &wrapperspb.UInt32Value{
							Value: 15006,
						},
					},
					Filters: []*listener.Filter{
						{