title: what's the unknow service in Istio Kiali?
body: <p>It's quite strange to see there's "unknown" service(marked with red box) going out from "fota-dmserver". Could you help explain?
  <a href="https://i.stack.imgur.com/2VHjV.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/2VHjV.png" alt="kiali admin console"></a></p>