// MergeGateways combines multiple gateways targeting the same workload into a single logical Gateway.
// Note that today any Servers in the combined gateways listening on the same port must have the same protocol.
// If servers with different protocols attempt to listen on the same port, one of the protocols will be chosen at random.

	if node.Type != Router {
		return
	}
	var prevMergedGateway MergedGateway
	if node.MergedGateway != nil {
		prevMergedGateway = *node.MergedGateway
	}
	node.MergedGateway = ps.mergeGateways(node)
	node.PrevMergedGateway = &PrevMergedGateway{
		ContainsAutoPassthroughGateways: prevMergedGateway.ContainsAutoPassthroughGateways,
		AutoPassthroughSNIHosts:         prevMergedGateway.GetAutoPassthrughGatewaySNIHosts(),

	// listener port -> host/bind
	tlsHostsByPort := map[uint32]map[string]string{}
	for _, port := range mergedGateway.ServerPorts {
		// Skip ports we cannot bind to. Note that MergeGateways will already translate Service port to
		// targetPort, which handles the common case of exposing ports like 80 and 443 but listening on
		// higher numbered ports.
		if builder.node.IsUnprivileged() && port.Number < 1024 {