Only delete each staled connection key once (#15506)
Only delete each staled connection key once (#15506)

* Only delete each staled connection key once

* Avoid race condition

smawson/istio,geeknoid/istio,geeknoid/istio,smawson/istio,istio/istio,smawson/istio,istio/istio,istio/istio,smawson/istio,istio/istio,geeknoid/istio,istio/istio,smawson/istio,geeknoid/istio,geeknoid/istio,geeknoid/istio,smawson/istio