{ "qlog_version": "draft-00", "title": "picoquic", "traces": [
{ "vantage_point": { "name": "backend-67", "type": "server" },
"title": "picoquic", "description": "88645b0475c71240","event_fields": ["relative_time", "path_id", "category", "event", "data"],
"configuration": {"time_units": "us"},
"common_fields": { "protocol_type": "QUIC_HTTP3", "reference_time": "2007091725318"},
"events": [
[0, 0, "transport", "datagram_received", { "byte_length": 1220, "addr_from" : {"ip_v4": "104.40.47.144", "port_v4":11629}, "addr_to" : {"ip_v4": "172.31.61.32", "port_v4":21009}}],
[0, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 1220, "packet_number": 230, "version": "00000001", "payload_length": 1130, "dcid": "88645b0475c71240", "token": "ac949b1bd362b4d3e4e86056892b41e10626ca3e94cb980919a480a8c02e0f99f0803ea795660e663ebe7818928c587c4f5434f3" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 313}, { 
    "frame_type": "ping"}]}],
[117, 0, "transport", "parameters_set", {
    "owner": "remote",
    "sni": "test.privateoctopus.com",
    "proposed_alpn": ["hq-interop", "h3", "hq-29", "h3-29"],
    "alpn": "hq-interop"}],
[119, 0, "transport", "parameters_set", {
    "owner": "remote",
    "idle_timeout" : 10000,
    "max_packet_size" : 1472,
    "initial_max_data" : 16777216,
    "initial_max_stream_data_bidi_local" : 65536,
    "initial_max_stream_data_bidi_remote" : 65536,
    "initial_max_stream_data_uni" : 65536,
    "initial_max_streams_uni" : 3,
    "ack_delay_exponent" : 8,
    "max_ack_delay" : 26,
    "active_connection_id_limit" : 4,
    "handshake_connection_id": "",
    "min_ack_delay" : 1000}],
[125, 0, "transport", "parameters_set", {
    "owner": "local",
    "initial_max_stream_data_bidi_local" : 2097152,
    "initial_max_data" : 1048576,
    "initial_max_streams_bidi" : 512,
    "idle_timeout" : 30000,
    "max_packet_size" : 1440,
    "initial_max_streams_uni" : 512,
    "initial_max_stream_data_bidi_remote" : 65635,
    "initial_max_stream_data_uni" : 65535,
    "active_connection_id_limit" : 8,
    "max_ack_delay" : 10,
    "handshake_connection_id": "29e15bcdfd39b6f8",
    "original_connection_id": "429f9f55e1bbad9c",
    "retry_connection_id": "88645b0475c71240",
    "stateless_reset_token": "7c933f2222032b74fb59f4a32ee8e7a9",
    "max_datagram_frame_size" : 1536,
    "min_ack_delay" : 1000,
    "address_discovery" : 0,
    "reset_stream_at" : "invalid"}],
[428, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 122, "packet_number": 116487, "payload_length": 100, "scid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 53, "acked_ranges": [[230, 230]]}, { 
    "frame_type": "crypto", "offset": 0, "length": 90}]}],
[428, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 1098, "packet_number": 0, "payload_length": 1077, "scid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 1073}]}],
[428, 0, "transport", "datagram_sent", { "byte_length": 1252}],
[437, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=9\u000a"}],
[428, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 187, "packet_number": 1, "payload_length": 166, "scid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "crypto", "offset": 1073, "length": 161}]}],
[428, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 423, "packet_number": 0, "key_phase": 0 }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 165}, { 
    "frame_type": "new_token", "new_token": "f003a68acdebb5d21b648d010491af674c7f97fd2726137be39b326730f02eb6d6056c1238ba8bfc532a275129f1b1562b64"}, { 
    "frame_type": "new_connection_id", "sequence_number": 1, "retire_before": 0, "connection_id": "adf96eac47f93a24", "reset_token": "aae06e258975318caa35150a0a4f22b2"}, { 
    "frame_type": "new_connection_id", "sequence_number": 2, "retire_before": 0, "connection_id": "5a9b379512eb4d91", "reset_token": "8ae9f5b7d7f6085af58353df093f83e6"}, { 
    "frame_type": "new_connection_id", "sequence_number": 3, "retire_before": 0, "connection_id": "b66aef2192e79cbc", "reset_token": "9f3676ac6de530dad1deeff755a3256c"}, { 
    "frame_type": "padding"}]}],
[428, 0, "recovery", "metrics_updated", {"cwnd": 15360,"bytes_in_flight": 1894}],
[428, 0, "transport", "datagram_sent", { "byte_length": 642}],
[428, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[428, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3366}],
[428, 0, "transport", "datagram_sent", { "byte_length": 1472}],
[50149, 0, "transport", "datagram_received", { "byte_length": 1220}],
[50149, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 1220, "packet_number": 231, "payload_length": 1130, "dcid": "88645b0475c71240", "token": "ac949b1bd362b4d3e4e86056892b41e10626ca3e94cb980919a480a8c02e0f99f0803ea795660e663ebe7818928c587c4f5434f3" }, "frames": [{ 
    "frame_type": "ping"}]}],
[50166, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 39, "packet_number": 116488, "payload_length": 17, "scid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 2, "acked_ranges": [[230, 231]]}]}],
[50166, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3421}],
[50166, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 1181, "packet_number": 2, "payload_length": 1160, "scid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[50166, 0, "recovery", "metrics_updated", {"bytes_in_flight": 4618}],
[50166, 0, "transport", "datagram_sent", { "byte_length": 1252}],
[63474, 0, "transport", "datagram_received", { "byte_length": 1220}],
[63474, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 101, "packet_number": 232, "payload_length": 11, "dcid": "29e15bcdfd39b6f8", "token": "ac949b1bd362b4d3e4e86056892b41e10626ca3e94cb980919a480a8c02e0f99f0803ea795660e663ebe7818928c587c4f5434f3" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 2, "acked_ranges": [[116487, 116487]], "ect0": 1, "ect1": 0, "ce": 0}]}],
[63474, 0, "transport", "packet_received", { "packet_type": "handshake", "header": { "packet_size": 100, "packet_number": 233, "payload_length": 63, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 1, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "crypto", "offset": 0, "length": 52}]}],
[63520, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=10\u000a"}],
[63474, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1019, "packet_number": 234, "dcid": "29e15bcdfd39b6f8", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[0, 0]], "ect0": 1, "ect1": 0, "ce": 0}, { 
    "frame_type": "padding"}]}],
[63474, 0, "recovery", "metrics_updated", {"cwnd": 18410,"pacing_rate": 1361424,"bytes_in_flight": 1472,"smoothed_rtt": 63046,"min_rtt": 63046,"latest_rtt": 63046,"app_limited": 1}],
[63533, 0, "transport", "datagram_received", { "byte_length": 1252}],
[63533, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1252, "packet_number": 235, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[63539, 0, "transport", "spin_bit_updated", { "state": true }],
[63539, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 2 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[234, 235]]}, { 
    "frame_type": "ack_frequency", "sequence_number": 0, "packet_tolerance": 2, "max_ack_delay": 10000, "reordering_threshold": 0}, { 
    "frame_type": "handshake_done"}, { 
    "frame_type": "padding"}]}],
[63539, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1527,"smoothed_rtt": 63046}],
[63539, 0, "transport", "datagram_sent", { "byte_length": 55}],
[89461, 0, "transport", "datagram_received", { "byte_length": 38}],
[89461, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 38, "packet_number": 236, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 101, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}]}],
[89461, 0, "recovery", "metrics_updated", {"cwnd": 19866,"pacing_rate": 1361387,"bytes_in_flight": 55,"smoothed_rtt": 65044,"latest_rtt": 79033}],
[126055, 0, "transport", "datagram_received", { "byte_length": 1332}],
[126055, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 237, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[126082, 0, "transport", "spin_bit_updated", { "state": false }],
[126082, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 3 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 3, "acked_ranges": [[234, 237]]}, { 
    "frame_type": "padding"}]}],
[126082, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 65044}],
[126082, 0, "transport", "datagram_sent", { "byte_length": 55}],
[136736, 0, "transport", "datagram_received", { "byte_length": 37}],
[136736, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 37, "packet_number": 238, "dcid": "29e15bcdfd39b6f8", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 42, "acked_ranges": [[1, 2]], "ect0": 3, "ect1": 0, "ce": 0}]}],
[136736, 0, "recovery", "metrics_updated", {"cwnd": 19905,"bytes_in_flight": 55,"smoothed_rtt": 64813,"latest_rtt": 63197}],
[176091, 0, "transport", "datagram_received", { "byte_length": 1252}],
[176091, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1252, "packet_number": 239, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[176113, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 4, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 2, "acked_ranges": [[236, 239]]}, { 
    "frame_type": "padding"}]}],
[176113, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 64813}],
[176113, 0, "transport", "datagram_sent", { "byte_length": 55}],
[188449, 0, "transport", "datagram_received", { "byte_length": 1412}],
[188449, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1412, "packet_number": 240, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[189538, 0, "transport", "spin_bit_updated", { "state": true }],
[189538, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 5 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 136, "acked_ranges": [[236, 240]]}, { 
    "frame_type": "padding"}]}],
[189538, 0, "recovery", "metrics_updated", {"bytes_in_flight": 165,"smoothed_rtt": 64813}],
[189538, 0, "transport", "datagram_sent", { "byte_length": 55}],
[238915, 0, "transport", "datagram_received", { "byte_length": 1332}],
[238915, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 241, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[3, 4]], "ect0": 5, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[238915, 0, "recovery", "metrics_updated", {"cwnd": 19983,"bytes_in_flight": 55,"smoothed_rtt": 64561,"min_rtt": 62802,"latest_rtt": 62802}],
[240012, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 6 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[240, 241]]}, { 
    "frame_type": "padding"}]}],
[240012, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 64561}],
[240012, 0, "transport", "datagram_sent", { "byte_length": 55}],
[251905, 0, "transport", "datagram_received", { "byte_length": 1440}],
[251905, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 242, "dcid": "29e15bcdfd39b6f8", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[253031, 0, "transport", "spin_bit_updated", { "state": false }],
[253031, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 7, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 140, "acked_ranges": [[240, 242]]}, { 
    "frame_type": "padding"}]}],
[253031, 0, "recovery", "metrics_updated", {"bytes_in_flight": 165,"smoothed_rtt": 64561}],
[253031, 0, "transport", "datagram_sent", { "byte_length": 55}],
[301970, 0, "transport", "datagram_received", { "byte_length": 1412}],
[301970, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1412, "packet_number": 243, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 195, "acked_ranges": [[3, 5]], "ect0": 6, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[301970, 0, "recovery", "metrics_updated", {"cwnd": 20022,"bytes_in_flight": 110,"smoothed_rtt": 69294,"latest_rtt": 102432}],
[303070, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 8 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[240, 243]]}, { 
    "frame_type": "padding"}]}],
[303070, 0, "recovery", "metrics_updated", {"bytes_in_flight": 165,"smoothed_rtt": 69294}],
[303070, 0, "transport", "datagram_sent", { "byte_length": 55}],
[415701, 0, "transport", "datagram_received", { "byte_length": 1440}],
[415701, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 244, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 196, "acked_ranges": [[6, 8]], "ect0": 9, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[415701, 0, "recovery", "metrics_updated", {"cwnd": 20139,"bytes_in_flight": 0,"smoothed_rtt": 73461,"latest_rtt": 102631}],
[416794, 0, "transport", "spin_bit_updated", { "state": true }],
[416794, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 9 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 136, "acked_ranges": [[243, 244]]}, { 
    "frame_type": "padding"}]}],
[416794, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 73461}],
[416794, 0, "transport", "datagram_sent", { "byte_length": 55}],
[466275, 0, "transport", "datagram_received", { "byte_length": 1440}],
[466275, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 245, "dcid": "29e15bcdfd39b6f8", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[467422, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 10, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 143, "acked_ranges": [[243, 245]]}, { 
    "frame_type": "padding"}]}],
[467422, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 73461}],
[467422, 0, "transport", "datagram_sent", { "byte_length": 55}],
[529883, 0, "transport", "datagram_received", { "byte_length": 1440}],
[529883, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 246, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[9, 10]], "ect0": 11, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[529883, 0, "recovery", "metrics_updated", {"cwnd": 20217,"bytes_in_flight": 0,"smoothed_rtt": 72086,"min_rtt": 62461,"latest_rtt": 62461}],
[531018, 0, "transport", "spin_bit_updated", { "state": false }],
[531018, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 11 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 141, "acked_ranges": [[245, 246]]}, { 
    "frame_type": "padding"}]}],
[531018, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 72086}],
[531018, 0, "transport", "datagram_sent", { "byte_length": 55}],
[580367, 0, "transport", "datagram_received", { "byte_length": 1440}],
[580367, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 247, "dcid": "29e15bcdfd39b6f8", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[581582, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 12, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 151, "acked_ranges": [[245, 247]]}, { 
    "frame_type": "padding"}]}],
[581582, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 72086}],
[581582, 0, "transport", "datagram_sent", { "byte_length": 55}],
[644088, 0, "transport", "datagram_received", { "byte_length": 1440}],
[644088, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 248, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[11, 12]], "ect0": 13, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[644088, 0, "recovery", "metrics_updated", {"cwnd": 20295,"bytes_in_flight": 0,"smoothed_rtt": 70888,"latest_rtt": 62506}],
[645193, 0, "transport", "spin_bit_updated", { "state": true }],
[645193, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 13 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 138, "acked_ranges": [[247, 248]]}, { 
    "frame_type": "padding"}]}],
[645193, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 70888}],
[645193, 0, "transport", "datagram_sent", { "byte_length": 55}],
[694406, 0, "transport", "datagram_received", { "byte_length": 1440}],
[694406, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 249, "dcid": "29e15bcdfd39b6f8", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[695542, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 14, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 142, "acked_ranges": [[247, 249]]}, { 
    "frame_type": "padding"}]}],
[695542, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 70888}],
[695542, 0, "transport", "datagram_sent", { "byte_length": 55}],
[758094, 0, "transport", "datagram_received", { "byte_length": 1440}],
[758094, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 250, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[13, 14]], "ect0": 15, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[758094, 0, "recovery", "metrics_updated", {"cwnd": 20373,"bytes_in_flight": 0,"smoothed_rtt": 69846,"latest_rtt": 62552}],
[759186, 0, "transport", "spin_bit_updated", { "state": false }],
[759186, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 15 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 136, "acked_ranges": [[249, 250]]}, { 
    "frame_type": "padding"}]}],
[759186, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 69846}],
[759186, 0, "transport", "datagram_sent", { "byte_length": 55}],
[808570, 0, "transport", "datagram_received", { "byte_length": 1440}],
[808570, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 251, "dcid": "29e15bcdfd39b6f8", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[809727, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 16, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 144, "acked_ranges": [[249, 251]]}, { 
    "frame_type": "padding"}]}],
[809727, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 69846}],
[809727, 0, "transport", "datagram_sent", { "byte_length": 55}],
[871779, 0, "transport", "datagram_received", { "byte_length": 1440}],
[871779, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 252, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 195, "acked_ranges": [[15, 15]], "ect0": 16, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[871779, 0, "recovery", "metrics_updated", {"cwnd": 20412,"bytes_in_flight": 55,"smoothed_rtt": 73939,"latest_rtt": 102593}],
[872898, 0, "transport", "spin_bit_updated", { "state": true }],
[872898, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 17 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 139, "acked_ranges": [[251, 252]]}, { 
    "frame_type": "padding"}]}],
[872898, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 73939}],
[872898, 0, "transport", "datagram_sent", { "byte_length": 55}],
[922660, 0, "transport", "datagram_received", { "byte_length": 1440}],
[922660, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 253, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 197, "acked_ranges": [[15, 16]], "ect0": 17, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[922660, 0, "recovery", "metrics_updated", {"cwnd": 20451,"bytes_in_flight": 55,"smoothed_rtt": 77563,"latest_rtt": 102933}],
[923786, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 18 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 140, "acked_ranges": [[251, 253]]}, { 
    "frame_type": "padding"}]}],
[923786, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 77563}],
[923786, 0, "transport", "datagram_sent", { "byte_length": 55}],
[986254, 0, "transport", "datagram_received", { "byte_length": 1440}],
[986254, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 254, "dcid": "29e15bcdfd39b6f8", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[17, 18]], "ect0": 19, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[986254, 0, "recovery", "metrics_updated", {"cwnd": 20529,"bytes_in_flight": 0,"smoothed_rtt": 75676,"latest_rtt": 62468}],
[987407, 0, "transport", "spin_bit_updated", { "state": false }],
[987407, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 19, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 144, "acked_ranges": [[253, 254]]}, { 
    "frame_type": "padding"}]}],
[987407, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 75676}],
[987407, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1037163, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1037163, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 255, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1038248, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 20 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 135, "acked_ranges": [[253, 255]]}, { 
    "frame_type": "padding"}]}],
[1038248, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 75676}],
[1038248, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1100737, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1100737, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 256, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[19, 20]], "ect0": 21, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1100737, 0, "recovery", "metrics_updated", {"cwnd": 20607,"bytes_in_flight": 0,"smoothed_rtt": 74027,"latest_rtt": 62489}],
[1101836, 0, "transport", "spin_bit_updated", { "state": true }],
[1101836, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 21 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[255, 256]]}, { 
    "frame_type": "padding"}]}],
[1101836, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 74027}],
[1101836, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1151442, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1151442, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 257, "dcid": "29e15bcdfd39b6f8", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1152603, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 22, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 145, "acked_ranges": [[255, 257]]}, { 
    "frame_type": "padding"}]}],
[1152603, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 74027}],
[1152603, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1214344, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1214344, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 258, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 195, "acked_ranges": [[21, 21]], "ect0": 22, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1214344, 0, "recovery", "metrics_updated", {"cwnd": 20646,"bytes_in_flight": 55,"smoothed_rtt": 77587,"latest_rtt": 102508}],
[1215447, 0, "transport", "spin_bit_updated", { "state": false }],
[1215447, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 23 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[257, 258]]}, { 
    "frame_type": "padding"}]}],
[1215447, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 77587}],
[1215447, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1265821, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1265821, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 259, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 198, "acked_ranges": [[21, 22]], "ect0": 23, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1265821, 0, "recovery", "metrics_updated", {"cwnd": 20685,"bytes_in_flight": 55,"smoothed_rtt": 80790,"latest_rtt": 103218}],
[1266922, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 24 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[257, 259]]}, { 
    "frame_type": "padding"}]}],
[1266922, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 80790}],
[1266922, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1328715, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1328715, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 260, "dcid": "29e15bcdfd39b6f8", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 198, "acked_ranges": [[22, 23]], "ect0": 24, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1328715, 0, "recovery", "metrics_updated", {"cwnd": 20724,"bytes_in_flight": 55,"smoothed_rtt": 83599,"latest_rtt": 103268}],
[1329803, 0, "transport", "spin_bit_updated", { "state": true }],
[1329803, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 25, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 136, "acked_ranges": [[259, 260]]}, { 
    "frame_type": "padding"}]}],
[1329803, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 83599}],
[1329803, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1380275, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1380275, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 261, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 199, "acked_ranges": [[23, 24]], "ect0": 25, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1380275, 0, "recovery", "metrics_updated", {"cwnd": 20763,"bytes_in_flight": 55,"smoothed_rtt": 86068,"latest_rtt": 103353}],
[1381377, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 26 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[259, 261]]}, { 
    "frame_type": "padding"}]}],
[1381377, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 86068}],
[1381377, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1442380, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1442380, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 262, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 196, "acked_ranges": [[24, 25]], "ect0": 26, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1442380, 0, "recovery", "metrics_updated", {"cwnd": 20802,"bytes_in_flight": 55,"smoothed_rtt": 88131,"latest_rtt": 102577}],
[1443463, 0, "transport", "spin_bit_updated", { "state": false }],
[1443463, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 27 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 135, "acked_ranges": [[261, 262]]}, { 
    "frame_type": "padding"}]}],
[1443463, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 88131}],
[1443463, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1494343, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1494343, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 263, "dcid": "29e15bcdfd39b6f8", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 197, "acked_ranges": [[25, 26]], "ect0": 27, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1494343, 0, "recovery", "metrics_updated", {"cwnd": 20841,"bytes_in_flight": 55,"smoothed_rtt": 89985,"latest_rtt": 102966}],
[1495464, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 28, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 140, "acked_ranges": [[261, 263]]}, { 
    "frame_type": "padding"}]}],
[1495464, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 89985}],
[1495464, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1556021, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1556021, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 264, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 195, "acked_ranges": [[26, 27]], "ect0": 28, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1556021, 0, "recovery", "metrics_updated", {"cwnd": 20880,"bytes_in_flight": 55,"smoothed_rtt": 91556,"latest_rtt": 102558}],
[1557160, 0, "transport", "spin_bit_updated", { "state": true }],
[1557160, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 29 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 142, "acked_ranges": [[263, 264]]}, { 
    "frame_type": "padding"}]}],
[1557160, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 91556}],
[1557160, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1608867, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1608867, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 265, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 199, "acked_ranges": [[27, 28]], "ect0": 29, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1608867, 0, "recovery", "metrics_updated", {"cwnd": 20919,"bytes_in_flight": 55,"smoothed_rtt": 93036,"latest_rtt": 103403}],
[1610021, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 30 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 144, "acked_ranges": [[263, 265]]}, { 
    "frame_type": "padding"}]}],
[1610021, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 93036}],
[1610021, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1670326, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1670326, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 266, "dcid": "29e15bcdfd39b6f8", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 198, "acked_ranges": [[28, 29]], "ect0": 30, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1670326, 0, "recovery", "metrics_updated", {"cwnd": 20958,"bytes_in_flight": 55,"smoothed_rtt": 94302,"latest_rtt": 103166}],
[1671453, 0, "transport", "spin_bit_updated", { "state": false }],
[1671453, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 31, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 140, "acked_ranges": [[265, 266]]}, { 
    "frame_type": "padding"}]}],
[1671453, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 94302}],
[1671453, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1723380, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1723380, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 267, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 199, "acked_ranges": [[29, 30]], "ect0": 31, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1723380, 0, "recovery", "metrics_updated", {"cwnd": 20997,"bytes_in_flight": 55,"smoothed_rtt": 95434,"latest_rtt": 103359}],
[1724786, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 32 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 175, "acked_ranges": [[265, 267]]}, { 
    "frame_type": "padding"}]}],
[1724786, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 95434}],
[1724786, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1784715, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1784715, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 268, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 198, "acked_ranges": [[30, 31]], "ect0": 32, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1784715, 0, "recovery", "metrics_updated", {"cwnd": 21036,"bytes_in_flight": 55,"smoothed_rtt": 96412,"latest_rtt": 103262}],
[1785839, 0, "transport", "spin_bit_updated", { "state": true }],
[1785839, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 33 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 140, "acked_ranges": [[267, 268]]}, { 
    "frame_type": "padding"}]}],
[1785839, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 96412}],
[1785839, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1837236, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1837236, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 269, "dcid": "29e15bcdfd39b6f8", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 195, "acked_ranges": [[31, 32]], "ect0": 33, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1837236, 0, "recovery", "metrics_updated", {"cwnd": 21075,"bytes_in_flight": 55,"smoothed_rtt": 97166,"latest_rtt": 102450}],
[1838363, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 34, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 140, "acked_ranges": [[267, 269]]}, { 
    "frame_type": "padding"}]}],
[1838363, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 97166}],
[1838363, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1899282, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1899282, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 270, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 199, "acked_ranges": [[32, 33]], "ect0": 34, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1899282, 0, "recovery", "metrics_updated", {"cwnd": 21114,"bytes_in_flight": 55,"smoothed_rtt": 97950,"latest_rtt": 103443}],
[1900382, 0, "transport", "spin_bit_updated", { "state": false }],
[1900382, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 35 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[269, 270]]}, { 
    "frame_type": "padding"}]}],
[1900382, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 97950}],
[1900382, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1951321, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1951321, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 271, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 197, "acked_ranges": [[33, 34]], "ect0": 35, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1951321, 0, "recovery", "metrics_updated", {"cwnd": 21153,"bytes_in_flight": 55,"smoothed_rtt": 98576,"latest_rtt": 102958}],
[1952421, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 36 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[269, 271]]}, { 
    "frame_type": "padding"}]}],
[1952421, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 98576}],
[1952421, 0, "transport", "datagram_sent", { "byte_length": 55}],
[2013178, 0, "transport", "datagram_received", { "byte_length": 1440}],
[2013178, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 272, "dcid": "29e15bcdfd39b6f8", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 196, "acked_ranges": [[34, 35]], "ect0": 36, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2013178, 0, "recovery", "metrics_updated", {"cwnd": 21192,"bytes_in_flight": 55,"smoothed_rtt": 99103,"latest_rtt": 102796}],
[2014304, 0, "transport", "spin_bit_updated", { "state": true }],
[2014304, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 37, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 140, "acked_ranges": [[271, 272]]}, { 
    "frame_type": "padding"}]}],
[2014304, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 99103}],
[2014304, 0, "transport", "datagram_sent", { "byte_length": 55}],
[2063629, 0, "transport", "datagram_received", { "byte_length": 41}],
[2063629, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 41, "packet_number": 273, "dcid": "29e15bcdfd39b6f8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 190, "acked_ranges": [[35, 36]], "ect0": 37, "ect1": 0, "ce": 0}, { 
    "frame_type": "connection_close", "error_space": "application", "error_code": 0}]}],
[2063644, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=6\u000a"}],
[2063629, 0, "recovery", "metrics_updated", {"cwnd": 21231,"bytes_in_flight": 55,"smoothed_rtt": 99366,"latest_rtt": 101208}],
[2063656, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 7, "packet_number": 38 }, "frames": [{ 
    "frame_type": "connection_close", "error_space": "transport", "error_code": 0}]}],
[2063656, 0, "transport", "datagram_sent", { "byte_length": 23}],
[2063681, 0, "info", "message", { "message": "Closed. Retrans= 0, spurious= 0, max sp gap = 0, max sp delay = 0, dg-coal: 1.025000"}]]}]}