for _, h := range rule.Hosts {
			// TODO: This is a bug. VirtualServices can have many hosts
			// while the user might be importing only a single host
			// We need to generate a new VirtualService with just the matched host
			if servicesByName[host.Name(h)] != nil {
				match = true
				break
			}

			if host.Name(h).IsWildCarded() {
				// Process wildcard vs host as it need to follow the slow path of

		name: "set host header in route and multi destination",
		config: `
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: default
spec:
  hosts:
  - {{ (index .dst 0).Config.Service }}
  http:
  - route:
    - destination:
        host: {{ (index .dst 0).Config.Service }}
      headers:
        request:
          set:
            Host: dest-authority

apiVersion: networking.istio.io/v1beta1
kind: VirtualService
metadata:
  name: valid-virtual-service
spec:
  hosts:
    - c
  http:
    - route:
      - destination:
          host: c
          subset: v1
        weight: 75
      - destination:
          host: c
          subset: v2

		Timeout: 5 * time.Second,
	}
	var res TestGrid
	res.Hosts = hosts
	ready := make(chan struct{})
	ctx, cancel := context.WithCancel(context.Background())
	res.cancel = cancel
	for i, host := range hosts {
		manager, err := NewManager(ctx, ManagerOptions{
			Dialer: dialer.DialContext,
			Local:  host,
			Hosts:  hosts,
			AuthRequest: func(r *http.Request) error {
				return nil
			},

			c.Report(gvk.Gateway, m)
		}
	}
}

// isGWsHostMatched implements gateway's hosts match
func isGWsHostMatched(gwInstance string, gwHostList []string) bool {
	gwInstanceNamed := host.Name(gwInstance)
	for _, gwElem := range gwHostList {
		gwElemNamed := host.Name(gwElem)
		if gwInstanceNamed.Matches(gwElemNamed) {
			return true
		}
	}
	return false
}

		// If inbound cluster match has service, we should see if it matches with any host name across all instances.
		hosts := make([]host.Name, 0, len(instances))
		for _, si := range instances {
			hosts = append(hosts, si.Service.Hostname)
		}
		clusters = cp.conditionallyAppend(clusters, hosts, localCluster.build())
	}
	return clusters
}

	}
	return
}

// convert ./host to currentNamespace/Host
// */host to just host
// */* to just *
func sanitizeServerHostNamespace(server *networking.Server, namespace string) {
	for i, h := range server.Hosts {
		if strings.Contains(h, "/") {
			parts := strings.Split(h, "/")
			if parts[0] == "." {
				server.Hosts[i] = namespace + "/" + parts[1] // format: %s/%s

apiVersion: networking.istio.io/v1
kind: VirtualService
metadata:
  name: valid-virtual-service
spec:
  hosts:
    - c
  http:
    - route:
      - destination:
          host: c
          subset: v1
        weight: 75
      - destination:
          host: c
          subset: v2

			c: &conf{
				netGo: true,
			},
			resolv: defaultResolvConf,
			nss:    nssStr(t, "hosts: dns files"),
			hostTests: []nssHostTest{
				{"x.com", "myhostname", hostLookupDNSFiles},
			},
		},
		{
			name: "netgo_fallback_on_cgo",
			c: &conf{
				netGo: true,
			},
			resolv: defaultResolvConf,
			nss:    nssStr(t, "hosts: dns files something_custom"),
			hostTests: []nssHostTest{

  servers:
  - port:
      number: 80
      name: http
      protocol: HTTP
    hosts:
    - "*"
---
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: app
spec:
  hosts:
  - "*"
  gateways:
  - app
  http:
  - route:
    - destination:
        host: {{ .host }}
        port:
          number: 80
`).Apply(apply.NoCleanup)