Relax keepalive enforcement policy to avoid dropping connections under load (#15141)
Relax keepalive enforcement policy to avoid dropping connections under load (#15141)

* Relax keepalive enforcement policy to avoid dropping connections under
load.

* lint

* Add comment.

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