get more info on echo timeouts (#32995)
get more info on echo timeouts (#32995)

* get more info on echo timeouts

Change-Id: Idc951ac2e2503ecc4dba5a4b42a1f52ea098235d

* avoid div by 0

Change-Id: Ied17ebbb0d1bdc18f3acd7e27570ec1ce827cfc2
istio/istio,istio/istio,istio/istio,istio/istio,istio/istio