Use pod IP instead of host IP (#4988)
Use pod IP instead of host IP (#4988)

Automatic merge from submit-queue.

Correct IP for pilot debug tool.
geeknoid/istio,frankbu/istio,frankbu/istio,frankbu/istio,geeknoid/istio,smawson/istio,smawson/istio,istio/istio,geeknoid/istio,geeknoid/istio,istio/istio,frankbu/istio,istio/istio,smawson/istio,frankbu/istio,istio/istio,smawson/istio,geeknoid/istio,smawson/istio,istio/istio,geeknoid/istio,smawson/istio,frankbu/istio