  &#34;source_app&#34;: &#34;sleep&#34;,
    &#34;source_principal&#34;: &#34;unknown&#34;,
    &#34;source_version&#34;: &#34;unknown&#34;,
    &#34;source_workload&#34;: &#34;sleep&#34;,
    &#34;source_workload_namespace&#34;: &#34;default&#34;
  },
  &#34;value&#34;: [
    1567034251.717,
    &#34;1&#34;
  ]
}
</code></pre><p>Note the <code>destination_service_name</code> label is set to BlackHoleCluster and the
<code>destination_service</code> to the host name of the external service. The response
code