{ "qlog_version": "draft-00", "title": "picoquic", "traces": [
{ "vantage_point": { "name": "backend-67", "type": "server" },
"title": "picoquic", "description": "f1783f1c1cbefa74","event_fields": ["relative_time", "path_id", "category", "event", "data"],
"configuration": {"time_units": "us"},
"common_fields": { "protocol_type": "QUIC_HTTP3", "reference_time": "1115435046360"},
"events": [
[0, 0, "transport", "datagram_received", { "byte_length": 1220, "addr_from" : {"ip_v4": "172.182.169.15", "port_v4":44799}, "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": "f1783f1c1cbefa74", "token": "9678095e2b39eefd05f20d1b65ee437dab4c2fb3bb28492c7ddce779dc91ac96d5a535b678558662f9376b49c87c8e2f6f291b40" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 1126}]}],
[168, 0, "transport", "datagram_received", { "byte_length": 1220}],
[168, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 1220, "packet_number": 231, "payload_length": 1130, "dcid": "f1783f1c1cbefa74", "token": "9678095e2b39eefd05f20d1b65ee437dab4c2fb3bb28492c7ddce779dc91ac96d5a535b678558662f9376b49c87c8e2f6f291b40" }, "frames": [{ 
    "frame_type": "crypto", "offset": 1126, "length": 465}]}],
[180, 0, "transport", "parameters_set", {
    "owner": "remote",
    "sni": "test.privateoctopus.com",
    "proposed_alpn": ["hq-interop", "h3", "hq-29", "h3-29"],
    "alpn": "hq-interop"}],
[183, 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" : 41,
    "active_connection_id_limit" : 4,
    "handshake_connection_id": "",
    "min_ack_delay" : 16000}],
[191, 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": "974b90f613de1a08",
    "original_connection_id": "117809289320e64c",
    "retry_connection_id": "f1783f1c1cbefa74",
    "stateless_reset_token": "988a08e7db17495a676a912dbb3db9c3",
    "max_datagram_frame_size" : 1536,
    "min_ack_delay" : 1000,
    "address_discovery" : 0,
    "reset_stream_at" : "invalid"}],
[459, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 122, "packet_number": 123352, "payload_length": 100, "scid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 36, "acked_ranges": [[230, 231]]}, { 
    "frame_type": "crypto", "offset": 0, "length": 90}]}],
[459, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 1098, "packet_number": 0, "payload_length": 1077, "scid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 1073}]}],
[459, 0, "transport", "datagram_sent", { "byte_length": 1252}],
[472, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=9\u000a"}],
[459, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 187, "packet_number": 1, "payload_length": 166, "scid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "crypto", "offset": 1073, "length": 161}]}],
[459, 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": "e44ac59d25e6ce10afc4a4aec2f59091c9afca85c94763aedcf3208cc37cced28e3bd12cf4aa8fe2ec3f910b797984944090"}, { 
    "frame_type": "new_connection_id", "sequence_number": 1, "retire_before": 0, "connection_id": "b0ea5fb49b8ba818", "reset_token": "da20299f93d4a8e1cc43fcb38d59d831"}, { 
    "frame_type": "new_connection_id", "sequence_number": 2, "retire_before": 0, "connection_id": "b2cefb9092e1902a", "reset_token": "df33f06232011db068b7365d01b4a389"}, { 
    "frame_type": "new_connection_id", "sequence_number": 3, "retire_before": 0, "connection_id": "9d8bfcc8f55cdfb3", "reset_token": "94fc9ad2afa4fdf7a93601b20559e791"}, { 
    "frame_type": "padding"}]}],
[459, 0, "recovery", "metrics_updated", {"cwnd": 15360,"bytes_in_flight": 1894}],
[459, 0, "transport", "datagram_sent", { "byte_length": 642}],
[459, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[459, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3366}],
[459, 0, "transport", "datagram_sent", { "byte_length": 1472}],
[74509, 0, "transport", "datagram_received", { "byte_length": 1220}],
[74509, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 102, "packet_number": 232, "payload_length": 12, "dcid": "974b90f613de1a08", "token": "9678095e2b39eefd05f20d1b65ee437dab4c2fb3bb28492c7ddce779dc91ac96d5a535b678558662f9376b49c87c8e2f6f291b40" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 14, "acked_ranges": [[123352, 123352]], "ect0": 1, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}]}],
[74509, 0, "transport", "packet_received", { "packet_type": "handshake", "header": { "packet_size": 100, "packet_number": 233, "payload_length": 63, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 4, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "crypto", "offset": 0, "length": 52}]}],
[74577, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=10\u000a"}],
[74509, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1018, "packet_number": 234, "dcid": "974b90f613de1a08", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "padding"}]}],
[74509, 0, "recovery", "metrics_updated", {"cwnd": 18646,"pacing_rate": 1361387,"bytes_in_flight": 0,"smoothed_rtt": 74050,"min_rtt": 74050,"latest_rtt": 74050,"app_limited": 1}],
[74596, 0, "transport", "datagram_received", { "byte_length": 1252}],
[74596, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1252, "packet_number": 235, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[74602, 0, "transport", "spin_bit_updated", { "state": true }],
[74602, 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": 16000, "reordering_threshold": 0}, { 
    "frame_type": "handshake_done"}, { 
    "frame_type": "padding"}]}],
[74602, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 74050}],
[74602, 0, "transport", "datagram_sent", { "byte_length": 55}],
[127543, 0, "transport", "datagram_received", { "byte_length": 1220}],
[127543, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1220, "packet_number": 236, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[128543, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 3 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 125, "acked_ranges": [[234, 236]]}, { 
    "frame_type": "padding"}]}],
[128543, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 74050}],
[128543, 0, "transport", "datagram_sent", { "byte_length": 55}],
[130723, 0, "transport", "datagram_received", { "byte_length": 1332}],
[130723, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 237, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[131802, 0, "transport", "spin_bit_updated", { "state": false }],
[131802, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 4 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 134, "acked_ranges": [[234, 237]]}, { 
    "frame_type": "padding"}]}],
[131802, 0, "recovery", "metrics_updated", {"bytes_in_flight": 165,"smoothed_rtt": 74050}],
[131802, 0, "transport", "datagram_sent", { "byte_length": 55}],
[149464, 0, "transport", "datagram_received", { "byte_length": 38}],
[149464, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 38, "packet_number": 238, "dcid": "974b90f613de1a08", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 72, "acked_ranges": [[2, 2]], "ect0": 3, "ect1": 0, "ce": 0}]}],
[149464, 0, "recovery", "metrics_updated", {"cwnd": 18685,"bytes_in_flight": 110,"smoothed_rtt": 74151,"latest_rtt": 74862}],
[182533, 0, "transport", "datagram_received", { "byte_length": 1412}],
[182533, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1412, "packet_number": 239, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[182550, 0, "transport", "spin_bit_updated", { "state": true }],
[182550, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 5, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 2, "acked_ranges": [[236, 239]]}, { 
    "frame_type": "padding"}]}],
[182550, 0, "recovery", "metrics_updated", {"bytes_in_flight": 165,"smoothed_rtt": 74151}],
[182550, 0, "transport", "datagram_sent", { "byte_length": 55}],
[233621, 0, "transport", "datagram_received", { "byte_length": 1412}],
[233621, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1412, "packet_number": 240, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[3, 5]], "ect0": 6, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[233621, 0, "recovery", "metrics_updated", {"cwnd": 18802,"bytes_in_flight": 0,"smoothed_rtt": 71266,"min_rtt": 51071,"latest_rtt": 51071}],
[233662, 0, "transport", "datagram_received", { "byte_length": 1440}],
[233662, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 241, "dcid": "974b90f613de1a08", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[233711, 0, "transport", "spin_bit_updated", { "state": false }],
[233711, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 6, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 6, "acked_ranges": [[239, 241]]}, { 
    "frame_type": "padding"}]}],
[233711, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 71266}],
[233711, 0, "transport", "datagram_sent", { "byte_length": 55}],
[283782, 0, "transport", "datagram_received", { "byte_length": 1412}],
[283782, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1412, "packet_number": 242, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[284888, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 7 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 138, "acked_ranges": [[239, 242]]}, { 
    "frame_type": "padding"}]}],
[284888, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 71266}],
[284888, 0, "transport", "datagram_sent", { "byte_length": 55}],
[335447, 0, "transport", "datagram_received", { "byte_length": 1440}],
[335447, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 243, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 197, "acked_ranges": [[6, 6]], "ect0": 7, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[335447, 0, "recovery", "metrics_updated", {"cwnd": 18841,"bytes_in_flight": 55,"smoothed_rtt": 73824,"latest_rtt": 91736}],
[336560, 0, "transport", "spin_bit_updated", { "state": true }],
[336560, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 8 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 139, "acked_ranges": [[242, 243]]}, { 
    "frame_type": "padding"}]}],
[336560, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 73824}],
[336560, 0, "transport", "datagram_sent", { "byte_length": 55}],
[387655, 0, "transport", "datagram_received", { "byte_length": 1440}],
[387655, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 244, "dcid": "974b90f613de1a08", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[7, 8]], "ect0": 9, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[387655, 0, "recovery", "metrics_updated", {"cwnd": 18919,"bytes_in_flight": 0,"smoothed_rtt": 70982,"latest_rtt": 51095}],
[388817, 0, "transport", "spin_bit_updated", { "state": false }],
[388817, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 9, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 145, "acked_ranges": [[243, 244]]}, { 
    "frame_type": "padding"}]}],
[388817, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 70982}],
[388817, 0, "transport", "datagram_sent", { "byte_length": 55}],
[439589, 0, "transport", "datagram_received", { "byte_length": 1440}],
[439589, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 245, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[9, 9]], "ect0": 10, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[439589, 0, "recovery", "metrics_updated", {"cwnd": 18958,"bytes_in_flight": 0,"smoothed_rtt": 68455,"min_rtt": 50772,"latest_rtt": 50772}],
[440687, 0, "transport", "spin_bit_updated", { "state": true }],
[440687, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 10 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[244, 245]]}, { 
    "frame_type": "padding"}]}],
[440687, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 68455}],
[440687, 0, "transport", "datagram_sent", { "byte_length": 55}],
[491486, 0, "transport", "datagram_received", { "byte_length": 1440}],
[491486, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 246, "dcid": "974b90f613de1a08", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[492634, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 11, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 143, "acked_ranges": [[244, 246]]}, { 
    "frame_type": "padding"}]}],
[492634, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 68455}],
[492634, 0, "transport", "datagram_sent", { "byte_length": 55}],
[543554, 0, "transport", "datagram_received", { "byte_length": 1440}],
[543554, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 247, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[10, 11]], "ect0": 12, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[543554, 0, "recovery", "metrics_updated", {"cwnd": 19036,"bytes_in_flight": 0,"smoothed_rtt": 66263,"latest_rtt": 50920}],
[544670, 0, "transport", "spin_bit_updated", { "state": false }],
[544670, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 12 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 139, "acked_ranges": [[246, 247]]}, { 
    "frame_type": "padding"}]}],
[544670, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 66263}],
[544670, 0, "transport", "datagram_sent", { "byte_length": 55}],
[593970, 0, "transport", "datagram_received", { "byte_length": 1440}],
[593970, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 248, "dcid": "974b90f613de1a08", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[595081, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 13, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 138, "acked_ranges": [[246, 248]]}, { 
    "frame_type": "padding"}]}],
[595081, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 66263}],
[595081, 0, "transport", "datagram_sent", { "byte_length": 55}],
[646027, 0, "transport", "datagram_received", { "byte_length": 1440}],
[646027, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 249, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[12, 13]], "ect0": 14, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[646027, 0, "recovery", "metrics_updated", {"cwnd": 19114,"bytes_in_flight": 0,"smoothed_rtt": 64348,"latest_rtt": 50946}],
[647168, 0, "transport", "spin_bit_updated", { "state": true }],
[647168, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 14 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 142, "acked_ranges": [[248, 249]]}, { 
    "frame_type": "padding"}]}],
[647168, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 64348}],
[647168, 0, "transport", "datagram_sent", { "byte_length": 55}],
[698058, 0, "transport", "datagram_received", { "byte_length": 1440}],
[698058, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 250, "dcid": "974b90f613de1a08", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[14, 14]], "ect0": 15, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[698058, 0, "recovery", "metrics_updated", {"cwnd": 19153,"bytes_in_flight": 0,"smoothed_rtt": 62665,"latest_rtt": 50890}],
[699210, 0, "transport", "spin_bit_updated", { "state": false }],
[699210, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 15, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 144, "acked_ranges": [[249, 250]]}, { 
    "frame_type": "padding"}]}],
[699210, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 62665}],
[699210, 0, "transport", "datagram_sent", { "byte_length": 55}],
[749825, 0, "transport", "datagram_received", { "byte_length": 1440}],
[749825, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 251, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[750942, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 16 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 139, "acked_ranges": [[249, 251]]}, { 
    "frame_type": "padding"}]}],
[750942, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 62665}],
[750942, 0, "transport", "datagram_sent", { "byte_length": 55}],
[801882, 0, "transport", "datagram_received", { "byte_length": 1440}],
[801882, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 252, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[15, 16]], "ect0": 17, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[801882, 0, "recovery", "metrics_updated", {"cwnd": 19231,"bytes_in_flight": 0,"smoothed_rtt": 61199,"latest_rtt": 50940}],
[803010, 0, "transport", "spin_bit_updated", { "state": true }],
[803010, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 17 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 141, "acked_ranges": [[251, 252]]}, { 
    "frame_type": "padding"}]}],
[803010, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 61199}],
[803010, 0, "transport", "datagram_sent", { "byte_length": 55}],
[854004, 0, "transport", "datagram_received", { "byte_length": 1440}],
[854004, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 253, "dcid": "974b90f613de1a08", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[17, 17]], "ect0": 18, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[854004, 0, "recovery", "metrics_updated", {"cwnd": 19270,"bytes_in_flight": 0,"smoothed_rtt": 59923,"latest_rtt": 50994}],
[855165, 0, "transport", "spin_bit_updated", { "state": false }],
[855165, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 18, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 145, "acked_ranges": [[252, 253]]}, { 
    "frame_type": "padding"}]}],
[855165, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 59923}],
[855165, 0, "transport", "datagram_sent", { "byte_length": 55}],
[906300, 0, "transport", "datagram_received", { "byte_length": 1440}],
[906300, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 254, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[18, 18]], "ect0": 19, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[906300, 0, "recovery", "metrics_updated", {"cwnd": 19309,"bytes_in_flight": 0,"smoothed_rtt": 58824,"latest_rtt": 51135}],
[907428, 0, "transport", "spin_bit_updated", { "state": true }],
[907428, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 19 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 141, "acked_ranges": [[253, 254]]}, { 
    "frame_type": "padding"}]}],
[907428, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 58824}],
[907428, 0, "transport", "datagram_sent", { "byte_length": 55}],
[958288, 0, "transport", "datagram_received", { "byte_length": 1440}],
[958288, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 255, "dcid": "974b90f613de1a08", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[19, 19]], "ect0": 20, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[958288, 0, "recovery", "metrics_updated", {"cwnd": 19348,"bytes_in_flight": 0,"smoothed_rtt": 57828,"latest_rtt": 50860}],
[959449, 0, "transport", "spin_bit_updated", { "state": false }],
[959449, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 20, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 145, "acked_ranges": [[254, 255]]}, { 
    "frame_type": "padding"}]}],
[959449, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 57828}],
[959449, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1010326, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1010326, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 256, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[20, 20]], "ect0": 21, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1010326, 0, "recovery", "metrics_updated", {"cwnd": 19387,"bytes_in_flight": 0,"smoothed_rtt": 56959,"latest_rtt": 50877}],
[1011441, 0, "transport", "spin_bit_updated", { "state": true }],
[1011441, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 21 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 139, "acked_ranges": [[255, 256]]}, { 
    "frame_type": "padding"}]}],
[1011441, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 56959}],
[1011441, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1062327, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1062327, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 257, "dcid": "974b90f613de1a08", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[21, 21]], "ect0": 22, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1062327, 0, "recovery", "metrics_updated", {"cwnd": 19426,"bytes_in_flight": 0,"smoothed_rtt": 56199,"latest_rtt": 50886}],
[1063481, 0, "transport", "spin_bit_updated", { "state": false }],
[1063481, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 22, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 144, "acked_ranges": [[256, 257]]}, { 
    "frame_type": "padding"}]}],
[1063481, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 56199}],
[1063481, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1113505, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1113505, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 258, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1114633, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 23 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 141, "acked_ranges": [[256, 258]]}, { 
    "frame_type": "padding"}]}],
[1114633, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 56199}],
[1114633, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1164377, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1164377, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 259, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 195, "acked_ranges": [[22, 22]], "ect0": 23, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1164377, 0, "recovery", "metrics_updated", {"cwnd": 19465,"bytes_in_flight": 55,"smoothed_rtt": 60536,"latest_rtt": 90896}],
[1165495, 0, "transport", "spin_bit_updated", { "state": true }],
[1165495, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 24 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 139, "acked_ranges": [[258, 259]]}, { 
    "frame_type": "padding"}]}],
[1165495, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 60536}],
[1165495, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1216354, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1216354, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 260, "dcid": "974b90f613de1a08", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[23, 24]], "ect0": 25, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1216354, 0, "recovery", "metrics_updated", {"cwnd": 19543,"bytes_in_flight": 0,"smoothed_rtt": 59326,"latest_rtt": 50859}],
[1217536, 0, "transport", "spin_bit_updated", { "state": false }],
[1217536, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 25, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 147, "acked_ranges": [[259, 260]]}, { 
    "frame_type": "padding"}]}],
[1217536, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 59326}],
[1217536, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1268361, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1268361, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 261, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[25, 25]], "ect0": 26, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1268361, 0, "recovery", "metrics_updated", {"cwnd": 19582,"bytes_in_flight": 0,"smoothed_rtt": 58263,"latest_rtt": 50825}],
[1269477, 0, "transport", "spin_bit_updated", { "state": true }],
[1269477, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 26 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 139, "acked_ranges": [[260, 261]]}, { 
    "frame_type": "padding"}]}],
[1269477, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 58263}],
[1269477, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1319565, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1319565, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 262, "dcid": "974b90f613de1a08", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1320744, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 27, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 147, "acked_ranges": [[260, 262]]}, { 
    "frame_type": "padding"}]}],
[1320744, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 58263}],
[1320744, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1371656, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1371656, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 263, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[26, 27]], "ect0": 28, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1371656, 0, "recovery", "metrics_updated", {"cwnd": 19660,"bytes_in_flight": 0,"smoothed_rtt": 57344,"latest_rtt": 50912}],
[1372798, 0, "transport", "spin_bit_updated", { "state": false }],
[1372798, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 28 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 142, "acked_ranges": [[262, 263]]}, { 
    "frame_type": "padding"}]}],
[1372798, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 57344}],
[1372798, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1422240, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1422240, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 264, "dcid": "974b90f613de1a08", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1423374, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 29, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 141, "acked_ranges": [[262, 264]]}, { 
    "frame_type": "padding"}]}],
[1423374, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 57344}],
[1423374, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1474219, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1474219, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 265, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[28, 29]], "ect0": 30, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1474219, 0, "recovery", "metrics_updated", {"cwnd": 19738,"bytes_in_flight": 0,"smoothed_rtt": 56531,"latest_rtt": 50845}],
[1475347, 0, "transport", "spin_bit_updated", { "state": true }],
[1475347, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 30 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 141, "acked_ranges": [[264, 265]]}, { 
    "frame_type": "padding"}]}],
[1475347, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 56531}],
[1475347, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1524479, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1524479, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 266, "dcid": "974b90f613de1a08", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1525600, 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": [[264, 266]]}, { 
    "frame_type": "padding"}]}],
[1525600, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 56531}],
[1525600, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1576433, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1576433, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 267, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[30, 31]], "ect0": 32, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1576433, 0, "recovery", "metrics_updated", {"cwnd": 19816,"bytes_in_flight": 0,"smoothed_rtt": 55818,"latest_rtt": 50833}],
[1577537, 0, "transport", "spin_bit_updated", { "state": false }],
[1577537, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 32 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 138, "acked_ranges": [[266, 267]]}, { 
    "frame_type": "padding"}]}],
[1577537, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 55818}],
[1577537, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1628595, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1628595, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 268, "dcid": "974b90f613de1a08", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[32, 32]], "ect0": 33, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1628595, 0, "recovery", "metrics_updated", {"cwnd": 19855,"bytes_in_flight": 0,"smoothed_rtt": 55223,"latest_rtt": 51058}],
[1629737, 0, "transport", "spin_bit_updated", { "state": true }],
[1629737, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 33, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 142, "acked_ranges": [[267, 268]]}, { 
    "frame_type": "padding"}]}],
[1629737, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 55223}],
[1629737, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1680558, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1680558, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 269, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[33, 33]], "ect0": 34, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1680558, 0, "recovery", "metrics_updated", {"cwnd": 19894,"bytes_in_flight": 0,"smoothed_rtt": 54672,"latest_rtt": 50821}],
[1681679, 0, "transport", "spin_bit_updated", { "state": false }],
[1681679, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 34 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 140, "acked_ranges": [[268, 269]]}, { 
    "frame_type": "padding"}]}],
[1681679, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 54672}],
[1681679, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1730749, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1730749, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 270, "dcid": "974b90f613de1a08", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1731878, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 35, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 141, "acked_ranges": [[268, 270]]}, { 
    "frame_type": "padding"}]}],
[1731878, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 54672}],
[1731878, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1782750, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1782750, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 271, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[34, 35]], "ect0": 36, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1782750, 0, "recovery", "metrics_updated", {"cwnd": 19972,"bytes_in_flight": 0,"smoothed_rtt": 54197,"latest_rtt": 50872}],
[1783897, 0, "transport", "spin_bit_updated", { "state": true }],
[1783897, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 36 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 143, "acked_ranges": [[270, 271]]}, { 
    "frame_type": "padding"}]}],
[1783897, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 54197}],
[1783897, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1833559, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1833559, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 272, "dcid": "974b90f613de1a08", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1834718, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 37, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 144, "acked_ranges": [[270, 272]]}, { 
    "frame_type": "padding"}]}],
[1834718, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 54197}],
[1834718, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1937280, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1937280, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 273, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 202, "acked_ranges": [[36, 37]], "ect0": 38, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1937280, 0, "recovery", "metrics_updated", {"cwnd": 20050,"bytes_in_flight": 0,"smoothed_rtt": 58992,"latest_rtt": 92562}],
[1938390, 0, "transport", "spin_bit_updated", { "state": false }],
[1938390, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 38 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 138, "acked_ranges": [[272, 273]]}, { 
    "frame_type": "padding"}]}],
[1938390, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 58992}],
[1938390, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1987977, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1987977, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 274, "dcid": "974b90f613de1a08", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1989134, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 39, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 144, "acked_ranges": [[272, 274]]}, { 
    "frame_type": "padding"}]}],
[1989134, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 58992}],
[1989134, 0, "transport", "datagram_sent", { "byte_length": 55}],
[2040334, 0, "transport", "datagram_received", { "byte_length": 1440}],
[2040334, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 275, "dcid": "974b90f613de1a08" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[38, 39]], "ect0": 40, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2040334, 0, "recovery", "metrics_updated", {"cwnd": 20128,"bytes_in_flight": 0,"smoothed_rtt": 58018,"latest_rtt": 51200}],
[2041437, 0, "transport", "spin_bit_updated", { "state": true }],
[2041437, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 40 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[274, 275]]}, { 
    "frame_type": "padding"}]}],
[2041437, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 58018}],
[2041437, 0, "transport", "datagram_sent", { "byte_length": 55}],
[2079405, 0, "transport", "datagram_received", { "byte_length": 32}],
[2079405, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 32, "packet_number": 276, "dcid": "974b90f613de1a08", "key_phase": 0 }, "frames": [{ 
    "frame_type": "connection_close", "error_space": "application", "error_code": 0}]}],
[2079473, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=6\u000a"}],
[2079482, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 7, "packet_number": 41, "key_phase": 0 }, "frames": [{ 
    "frame_type": "connection_close", "error_space": "transport", "error_code": 0}]}],
[2079482, 0, "transport", "datagram_sent", { "byte_length": 23}],
[2079525, 0, "info", "message", { "message": "Closed. Retrans= 0, spurious= 0, max sp gap = 0, max sp delay = 0, dg-coal: 1.023810"}]]}]}
