ReadonlyattemptOptional ReadonlycauseOptional ReadonlyendpointThe endpoint the event concerns; for all-endpoints-unreachable, the last
endpoint the sweep tried.
Optional ReadonlyepisodeElapsed time in the current consecutive capability-gap episode.
ReadonlykindOptional ReadonlypreviousReadonlytimestamp
One-based reconnect sweep number; zero for lifecycle-only events.