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[10574905, 0, "recovery", "metrics_updated", {"cwnd": 29119,"bytes_in_flight": 0,"smoothed_rtt": 40170,"latest_rtt": 20311}],
[10574926, 0, "transport", "spin_bit_updated", { "state": true }],
[10574926, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 7, "packet_number": 196 }, "frames": [{ 
    "frame_type": "connection_close", "error_space": "transport", "error_code": 0}]}],
[10574926, 0, "transport", "datagram_sent", { "byte_length": 23}],
[10574954, 0, "info", "message", { "message": "Closed. Retrans= 1, spurious= 0, max sp gap = 0, max sp delay = 0, dg-coal: 1.000000"}]]}]}