f the <code>reviews</code> service, i.e., a version that calls the <code>ratings</code> service:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl apply -f - &lt;&lt;EOF
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: reviews
spec:
  hosts:
    - reviews
  http:
  - route:
    - destination:
        host: reviews
        subset: v2
EOF
</code></pre></li><li><p>Add a 2 second delay to calls to the <code>ratings</code> service:</p><pre><code clas