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    "frame_type": "connection_close", "error_space": "transport", "error_code": 0}]}],
[10789123, 0, "transport", "datagram_sent", { "byte_length": 23}],
[10789159, 0, "info", "message", { "message": "Closed. Retrans= 4, spurious= 0, max sp gap = 0, max sp delay = 0, dg-coal: 1.000000"}]]}]}