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Listeners started accepting connections before the first NetworkPolicy update was installed, so connections accepted in that window had no policy for local endpoints and every request on them failed with 500 for the lifetime of the connection. Each listener now waits for the first policy update, or 5 seconds at most. Signed-off-by: Mads Jon Nielsen <madsjon@gmail.com>
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After a cilium-envoy restart the L7 listeners start accepting connections before the first NetworkPolicy update is installed, so a connection accepted in that window gets no policy filter state and every request on it answers 500 for as long as the client keeps it open, which this fixes by holding each listener's initialization until the first policy update is installed, or for at most 5 seconds so a stalled policy stream cannot keep listeners down.