{ "qlog_version": "draft-00", "title": "picoquic", "traces": [
{ "vantage_point": { "name": "backend-67", "type": "server" },
"title": "picoquic", "description": "2b9a95a532f53622","event_fields": ["relative_time", "path_id", "category", "event", "data"],
"configuration": {"time_units": "us"},
"common_fields": { "protocol_type": "QUIC_HTTP3", "reference_time": "15812250847"},
"events": [
[0, 0, "transport", "datagram_received", { "byte_length": 1220, "addr_from" : {"ip_v4": "20.55.163.182", "port_v4":26857}, "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": 1, "version": "00000001", "payload_length": 1131, "dcid": "2b9a95a532f53622", "token": "b42a23582b16d3255d08ed95a13f0d1e25750c6e301bde734855dea40e7954aff67f70cc4e8278a58150001960bc8fa5160ac3" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 313}]}],
[95, 0, "transport", "parameters_set", {
    "owner": "remote",
    "sni": "test.privateoctopus.com",
    "proposed_alpn": ["hq-interop", "h3", "hq-29", "h3-29"],
    "alpn": "hq-interop"}],
[97, 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}],
[104, 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": "e8252103d9c3d1c9",
    "original_connection_id": "4c204bcfe9ce6638",
    "retry_connection_id": "2b9a95a532f53622",
    "stateless_reset_token": "5903a4b6b2a88fe277aae99c4f04705e",
    "max_datagram_frame_size" : 1536,
    "min_ack_delay" : 1000,
    "address_discovery" : 0,
    "reset_stream_at" : "invalid"}],
[367, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 121, "packet_number": 95783, "payload_length": 99, "scid": "e8252103d9c3d1c9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 45, "acked_ranges": [[1, 1]]}, { 
    "frame_type": "crypto", "offset": 0, "length": 90}]}],
[367, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 1099, "packet_number": 0, "payload_length": 1078, "scid": "e8252103d9c3d1c9" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 1074}]}],
[367, 0, "transport", "datagram_sent", { "byte_length": 1252}],
[379, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=9\u000a"}],
[367, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 185, "packet_number": 1, "payload_length": 164, "scid": "e8252103d9c3d1c9" }, "frames": [{ 
    "frame_type": "crypto", "offset": 1074, "length": 159}]}],
[367, 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": "dc5b432ada137bbd7ed1b662732de2e3f6d485523b4f77d7f83fb648765373ae7acb75f723d6356121f84650c386346fe4d9"}, { 
    "frame_type": "new_connection_id", "sequence_number": 1, "retire_before": 0, "connection_id": "b0772476c388dbff", "reset_token": "d7cf9afa031156533f5e16439a7ebbf6"}, { 
    "frame_type": "new_connection_id", "sequence_number": 2, "retire_before": 0, "connection_id": "f376f6ab2e383b09", "reset_token": "98a818823e92f7b87e69d3675ad632f8"}, { 
    "frame_type": "new_connection_id", "sequence_number": 3, "retire_before": 0, "connection_id": "dbca8c1d88ce8aef", "reset_token": "6dff1b5ef456a2616073ab55558856e7"}, { 
    "frame_type": "padding"}]}],
[367, 0, "recovery", "metrics_updated", {"cwnd": 15360,"bytes_in_flight": 1892}],
[367, 0, "transport", "datagram_sent", { "byte_length": 640}],
[367, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[367, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3364}],
[367, 0, "transport", "datagram_sent", { "byte_length": 1472}],
[46111, 0, "transport", "datagram_received", { "byte_length": 1220}],
[46111, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 100, "packet_number": 2, "payload_length": 11, "dcid": "e8252103d9c3d1c9", "token": "b42a23582b16d3255d08ed95a13f0d1e25750c6e301bde734855dea40e7954aff67f70cc4e8278a58150001960bc8fa5160ac3" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 1, "acked_ranges": [[95783, 95783]], "ect0": 1, "ect1": 0, "ce": 0}]}],
[46111, 0, "transport", "packet_received", { "packet_type": "handshake", "header": { "packet_size": 100, "packet_number": 3, "payload_length": 63, "dcid": "e8252103d9c3d1c9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 1, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "crypto", "offset": 0, "length": 52}]}],
[46198, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=10\u000a"}],
[46111, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1020, "packet_number": 4, "dcid": "e8252103d9c3d1c9", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[0, 0]], "ect0": 1, "ect1": 0, "ce": 0}, { 
    "frame_type": "padding"}]}],
[46111, 0, "recovery", "metrics_updated", {"cwnd": 17188,"pacing_rate": 1361424,"bytes_in_flight": 1472,"smoothed_rtt": 45744,"min_rtt": 45744,"latest_rtt": 45744,"app_limited": 1}],
[46216, 0, "transport", "datagram_received", { "byte_length": 1252}],
[46216, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1252, "packet_number": 5, "dcid": "e8252103d9c3d1c9" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[46222, 0, "transport", "spin_bit_updated", { "state": true }],
[46222, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 2 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[4, 5]]}, { 
    "frame_type": "ack_frequency", "sequence_number": 0, "packet_tolerance": 2, "max_ack_delay": 10000, "reordering_threshold": 0}, { 
    "frame_type": "handshake_done"}, { 
    "frame_type": "padding"}]}],
[46222, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1527,"smoothed_rtt": 45744}],
[46222, 0, "transport", "datagram_sent", { "byte_length": 55}],
[71432, 0, "transport", "datagram_received", { "byte_length": 38}],
[71432, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 38, "packet_number": 6, "dcid": "e8252103d9c3d1c9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 98, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}]}],
[71432, 0, "recovery", "metrics_updated", {"cwnd": 18644,"pacing_rate": 1361387,"bytes_in_flight": 55,"smoothed_rtt": 47659,"latest_rtt": 61065}],
[91339, 0, "transport", "datagram_received", { "byte_length": 1332}],
[91339, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 7, "dcid": "e8252103d9c3d1c9" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[91350, 0, "transport", "spin_bit_updated", { "state": false }],
[91350, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 3 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 1, "acked_ranges": [[4, 7]]}, { 
    "frame_type": "padding"}]}],
[91350, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 47659}],
[91350, 0, "transport", "datagram_sent", { "byte_length": 55}],
[101753, 0, "transport", "datagram_received", { "byte_length": 37}],
[101753, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 37, "packet_number": 8, "dcid": "e8252103d9c3d1c9", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 40, "acked_ranges": [[1, 2]], "ect0": 3, "ect1": 0, "ce": 0}]}],
[101753, 0, "recovery", "metrics_updated", {"cwnd": 18683,"bytes_in_flight": 55,"smoothed_rtt": 48643,"latest_rtt": 55531}],
[136498, 0, "transport", "datagram_received", { "byte_length": 1412}],
[136498, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1412, "packet_number": 9, "dcid": "e8252103d9c3d1c9" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[136520, 0, "transport", "spin_bit_updated", { "state": true }],
[136520, 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": [[6, 9]]}, { 
    "frame_type": "padding"}]}],
[136520, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 48643}],
[136520, 0, "transport", "datagram_sent", { "byte_length": 55}],
[181642, 0, "transport", "datagram_received", { "byte_length": 1440}],
[181642, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 10, "dcid": "e8252103d9c3d1c9" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[182742, 0, "transport", "spin_bit_updated", { "state": false }],
[182742, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 5 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[6, 10]]}, { 
    "frame_type": "padding"}]}],
[182742, 0, "recovery", "metrics_updated", {"bytes_in_flight": 165,"smoothed_rtt": 48643}],
[182742, 0, "transport", "datagram_sent", { "byte_length": 55}],
[278556, 0, "transport", "datagram_received", { "byte_length": 1440}],
[278556, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 11, "dcid": "e8252103d9c3d1c9", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 197, "acked_ranges": [[3, 5]], "ect0": 6, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[278556, 0, "recovery", "metrics_updated", {"cwnd": 18800,"bytes_in_flight": 0,"smoothed_rtt": 53289,"latest_rtt": 85814}],
[279729, 0, "transport", "spin_bit_updated", { "state": true }],
[279729, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 6, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 146, "acked_ranges": [[10, 11]]}, { 
    "frame_type": "padding"}]}],
[279729, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 53289}],
[279729, 0, "transport", "datagram_sent", { "byte_length": 55}],
[375689, 0, "transport", "datagram_received", { "byte_length": 1440}],
[375689, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 12, "dcid": "e8252103d9c3d1c9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 198, "acked_ranges": [[6, 6]], "ect0": 7, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[375689, 0, "recovery", "metrics_updated", {"cwnd": 18839,"bytes_in_flight": 0,"smoothed_rtt": 57372,"latest_rtt": 85960}],
[376928, 0, "transport", "spin_bit_updated", { "state": false }],
[376928, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 7 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 154, "acked_ranges": [[11, 12]]}, { 
    "frame_type": "padding"}]}],
[376928, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 57372}],
[376928, 0, "transport", "datagram_sent", { "byte_length": 55}],
[472577, 0, "transport", "datagram_received", { "byte_length": 1440}],
[472577, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 13, "dcid": "e8252103d9c3d1c9", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 196, "acked_ranges": [[7, 7]], "ect0": 8, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[472577, 0, "recovery", "metrics_updated", {"cwnd": 18878,"bytes_in_flight": 0,"smoothed_rtt": 60906,"latest_rtt": 85649}],
[473749, 0, "transport", "spin_bit_updated", { "state": true }],
[473749, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 8, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 146, "acked_ranges": [[12, 13]]}, { 
    "frame_type": "padding"}]}],
[473749, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 60906}],
[473749, 0, "transport", "datagram_sent", { "byte_length": 55}],
[569926, 0, "transport", "datagram_received", { "byte_length": 1440}],
[569926, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 14, "dcid": "e8252103d9c3d1c9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 199, "acked_ranges": [[8, 8]], "ect0": 9, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[569926, 0, "recovery", "metrics_updated", {"cwnd": 18917,"bytes_in_flight": 0,"smoothed_rtt": 64064,"latest_rtt": 86177}],
[571244, 0, "transport", "spin_bit_updated", { "state": false }],
[571244, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 9 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 164, "acked_ranges": [[13, 14]]}, { 
    "frame_type": "padding"}]}],
[571244, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 64064}],
[571244, 0, "transport", "datagram_sent", { "byte_length": 55}],
[667261, 0, "transport", "datagram_received", { "byte_length": 1440}],
[667261, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 15, "dcid": "e8252103d9c3d1c9", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 197, "acked_ranges": [[9, 9]], "ect0": 10, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[667261, 0, "recovery", "metrics_updated", {"cwnd": 18956,"bytes_in_flight": 0,"smoothed_rtt": 66808,"latest_rtt": 86017}],
[668414, 0, "transport", "spin_bit_updated", { "state": true }],
[668414, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 10, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 144, "acked_ranges": [[14, 15]]}, { 
    "frame_type": "padding"}]}],
[668414, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 66808}],
[668414, 0, "transport", "datagram_sent", { "byte_length": 55}],
[764059, 0, "transport", "datagram_received", { "byte_length": 1440}],
[764059, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 16, "dcid": "e8252103d9c3d1c9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 197, "acked_ranges": [[10, 10]], "ect0": 11, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[764059, 0, "recovery", "metrics_updated", {"cwnd": 18995,"bytes_in_flight": 0,"smoothed_rtt": 69162,"latest_rtt": 85645}],
[765144, 0, "transport", "spin_bit_updated", { "state": false }],
[765144, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 11 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 135, "acked_ranges": [[15, 16]]}, { 
    "frame_type": "padding"}]}],
[765144, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 69162}],
[765144, 0, "transport", "datagram_sent", { "byte_length": 55}],
[860883, 0, "transport", "datagram_received", { "byte_length": 1440}],
[860883, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 17, "dcid": "e8252103d9c3d1c9", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 197, "acked_ranges": [[11, 11]], "ect0": 12, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[860883, 0, "recovery", "metrics_updated", {"cwnd": 19034,"bytes_in_flight": 0,"smoothed_rtt": 71234,"latest_rtt": 85739}],
[862068, 0, "transport", "spin_bit_updated", { "state": true }],
[862068, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 12, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 148, "acked_ranges": [[16, 17]]}, { 
    "frame_type": "padding"}]}],
[862068, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 71234}],
[862068, 0, "transport", "datagram_sent", { "byte_length": 55}],
[957713, 0, "transport", "datagram_received", { "byte_length": 1440}],
[957713, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 18, "dcid": "e8252103d9c3d1c9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 196, "acked_ranges": [[12, 12]], "ect0": 13, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[957713, 0, "recovery", "metrics_updated", {"cwnd": 19073,"bytes_in_flight": 0,"smoothed_rtt": 73035,"latest_rtt": 85645}],
[958837, 0, "transport", "spin_bit_updated", { "state": false }],
[958837, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 13 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 140, "acked_ranges": [[17, 18]]}, { 
    "frame_type": "padding"}]}],
[958837, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 73035}],
[958837, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1054320, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1054320, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 19, "dcid": "e8252103d9c3d1c9", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 196, "acked_ranges": [[13, 13]], "ect0": 14, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1054320, 0, "recovery", "metrics_updated", {"cwnd": 19112,"bytes_in_flight": 0,"smoothed_rtt": 74591,"latest_rtt": 85483}],
[1055469, 0, "transport", "spin_bit_updated", { "state": true }],
[1055469, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 14, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 143, "acked_ranges": [[18, 19]]}, { 
    "frame_type": "padding"}]}],
[1055469, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 74591}],
[1055469, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1151211, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1151211, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 20, "dcid": "e8252103d9c3d1c9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 197, "acked_ranges": [[14, 14]], "ect0": 15, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1151211, 0, "recovery", "metrics_updated", {"cwnd": 19151,"bytes_in_flight": 0,"smoothed_rtt": 75984,"latest_rtt": 85742}],
[1152317, 0, "transport", "spin_bit_updated", { "state": false }],
[1152317, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 15 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 138, "acked_ranges": [[19, 20]]}, { 
    "frame_type": "padding"}]}],
[1152317, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 75984}],
[1152317, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1248295, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1248295, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 21, "dcid": "e8252103d9c3d1c9", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 198, "acked_ranges": [[15, 15]], "ect0": 16, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1248295, 0, "recovery", "metrics_updated", {"cwnd": 19190,"bytes_in_flight": 0,"smoothed_rtt": 77233,"latest_rtt": 85978}],
[1249414, 0, "transport", "spin_bit_updated", { "state": true }],
[1249414, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 16, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 139, "acked_ranges": [[20, 21]]}, { 
    "frame_type": "padding"}]}],
[1249414, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 77233}],
[1249414, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1344986, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1344986, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 22, "dcid": "e8252103d9c3d1c9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 197, "acked_ranges": [[16, 16]], "ect0": 17, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1344986, 0, "recovery", "metrics_updated", {"cwnd": 19229,"bytes_in_flight": 0,"smoothed_rtt": 78275,"latest_rtt": 85572}],
[1346086, 0, "transport", "spin_bit_updated", { "state": false }],
[1346086, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 17 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[21, 22]]}, { 
    "frame_type": "padding"}]}],
[1346086, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 78275}],
[1346086, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1441274, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1441274, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 23, "dcid": "e8252103d9c3d1c9", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 195, "acked_ranges": [[17, 17]], "ect0": 18, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1441274, 0, "recovery", "metrics_updated", {"cwnd": 19268,"bytes_in_flight": 0,"smoothed_rtt": 79139,"latest_rtt": 85188}],
[1442410, 0, "transport", "spin_bit_updated", { "state": true }],
[1442410, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 18, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 142, "acked_ranges": [[22, 23]]}, { 
    "frame_type": "padding"}]}],
[1442410, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 79139}],
[1442410, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1537843, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1537843, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 24, "dcid": "e8252103d9c3d1c9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 196, "acked_ranges": [[18, 18]], "ect0": 19, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1537843, 0, "recovery", "metrics_updated", {"cwnd": 19307,"bytes_in_flight": 0,"smoothed_rtt": 79925,"latest_rtt": 85433}],
[1538948, 0, "transport", "spin_bit_updated", { "state": false }],
[1538948, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 19 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 138, "acked_ranges": [[23, 24]]}, { 
    "frame_type": "padding"}]}],
[1538948, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 79925}],
[1538948, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1634480, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1634480, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 25, "dcid": "e8252103d9c3d1c9", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 196, "acked_ranges": [[19, 19]], "ect0": 20, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1634480, 0, "recovery", "metrics_updated", {"cwnd": 19346,"bytes_in_flight": 0,"smoothed_rtt": 80625,"latest_rtt": 85532}],
[1635656, 0, "transport", "spin_bit_updated", { "state": true }],
[1635656, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 20, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 147, "acked_ranges": [[24, 25]]}, { 
    "frame_type": "padding"}]}],
[1635656, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 80625}],
[1635656, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1730869, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1730869, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 26, "dcid": "e8252103d9c3d1c9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 195, "acked_ranges": [[20, 20]], "ect0": 21, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1730869, 0, "recovery", "metrics_updated", {"cwnd": 19385,"bytes_in_flight": 0,"smoothed_rtt": 81198,"latest_rtt": 85213}],
[1731976, 0, "transport", "spin_bit_updated", { "state": false }],
[1731976, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 21 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 138, "acked_ranges": [[25, 26]]}, { 
    "frame_type": "padding"}]}],
[1731976, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 81198}],
[1731976, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1827918, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1827918, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 27, "dcid": "e8252103d9c3d1c9", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 198, "acked_ranges": [[21, 21]], "ect0": 22, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1827918, 0, "recovery", "metrics_updated", {"cwnd": 19424,"bytes_in_flight": 0,"smoothed_rtt": 81791,"latest_rtt": 85942}],
[1829075, 0, "transport", "spin_bit_updated", { "state": true }],
[1829075, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 22, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 144, "acked_ranges": [[26, 27]]}, { 
    "frame_type": "padding"}]}],
[1829075, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 81791}],
[1829075, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1925084, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1925084, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 28, "dcid": "e8252103d9c3d1c9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 198, "acked_ranges": [[22, 22]], "ect0": 23, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1925084, 0, "recovery", "metrics_updated", {"cwnd": 19463,"bytes_in_flight": 0,"smoothed_rtt": 82318,"latest_rtt": 86009}],
[1926213, 0, "transport", "spin_bit_updated", { "state": false }],
[1926213, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 23 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 141, "acked_ranges": [[27, 28]]}, { 
    "frame_type": "padding"}]}],
[1926213, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 82318}],
[1926213, 0, "transport", "datagram_sent", { "byte_length": 55}],
[2022282, 0, "transport", "datagram_received", { "byte_length": 1440}],
[2022282, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 29, "dcid": "e8252103d9c3d1c9", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 198, "acked_ranges": [[23, 23]], "ect0": 24, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2022282, 0, "recovery", "metrics_updated", {"cwnd": 19502,"bytes_in_flight": 0,"smoothed_rtt": 82786,"latest_rtt": 86069}],
[2023671, 0, "transport", "spin_bit_updated", { "state": true }],
[2023671, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 24, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 173, "acked_ranges": [[28, 29]]}, { 
    "frame_type": "padding"}]}],
[2023671, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 82786}],
[2023671, 0, "transport", "datagram_sent", { "byte_length": 55}],
[2046254, 0, "transport", "datagram_received", { "byte_length": 32}],
[2046254, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 32, "packet_number": 30, "dcid": "e8252103d9c3d1c9" }, "frames": [{ 
    "frame_type": "connection_close", "error_space": "application", "error_code": 0}]}],
[2046272, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=6\u000a"}],
[2046281, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 7, "packet_number": 25 }, "frames": [{ 
    "frame_type": "connection_close", "error_space": "transport", "error_code": 0}]}],
[2046281, 0, "transport", "datagram_sent", { "byte_length": 23}],
[2046316, 0, "info", "message", { "message": "Closed. Retrans= 0, spurious= 0, max sp gap = 0, max sp delay = 0, dg-coal: 1.038462"}]]}]}