{ "qlog_version": "draft-00", "title": "picoquic", "traces": [
{ "vantage_point": { "name": "backend-67", "type": "server" },
"title": "picoquic", "description": "4014228afbe8787d","event_fields": ["relative_time", "path_id", "category", "event", "data"],
"configuration": {"time_units": "us"},
"common_fields": { "protocol_type": "QUIC_HTTP3", "reference_time": "1912192522909"},
"events": [
[0, 0, "transport", "datagram_received", { "byte_length": 1220, "addr_from" : {"ip_v4": "172.174.190.112", "port_v4":7117}, "addr_to" : {"ip_v4": "172.31.61.32", "port_v4":21009}, "ecn" : "Not-ECT"}],
[0, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 1220, "packet_number": 112, "version": "00000001", "payload_length": 1130, "dcid": "4014228afbe8787d", "token": "b5a3348df95e8e0ae4b4bffaebbb80fa21beee0ca35a43e8fda4ee52bbe71297de09f8e656ae6a4438c052d1fb22eeea82639eb8" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 426}, { 
    "frame_type": "ping"}]}],
[137, 0, "transport", "parameters_set", {
    "owner": "remote",
    "sni": "test.privateoctopus.com",
    "proposed_alpn": ["hq-interop", "h3", "hq-29", "h3-29"],
    "alpn": "hq-interop"}],
[140, 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}],
[148, 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": "5dcba138045c8db9",
    "original_connection_id": "fbd09313350a2b47",
    "retry_connection_id": "4014228afbe8787d",
    "stateless_reset_token": "a2e17ca65dec06e1ae2069aa2c4cb1ed",
    "max_datagram_frame_size" : 1536,
    "min_ack_delay" : 1000,
    "address_discovery" : 0,
    "reset_stream_at" : "invalid"}],
[407, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 155, "packet_number": 118718, "payload_length": 133, "scid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 50, "acked_ranges": [[112, 112]]}, { 
    "frame_type": "crypto", "offset": 0, "length": 123}]}],
[407, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 1065, "packet_number": 0, "payload_length": 1044, "scid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 1040}]}],
[407, 0, "transport", "datagram_sent", { "byte_length": 1252}],
[420, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=9\u000a"}],
[407, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 220, "packet_number": 1, "payload_length": 199, "scid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "crypto", "offset": 1040, "length": 194}]}],
[407, 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": "ee9f6991768901241716d7916a9f38426c56db8e40951fe1d567227c3cb4fc2c87b9f07396054c5ee85ee4c4f87e2cf825d9"}, { 
    "frame_type": "new_connection_id", "sequence_number": 1, "retire_before": 0, "connection_id": "73f04a89c19d4d89", "reset_token": "543b4a55582e27b50d5a8e100b2fb965"}, { 
    "frame_type": "new_connection_id", "sequence_number": 2, "retire_before": 0, "connection_id": "746bddc1a9fd621e", "reset_token": "54ebf4b844276aba32eb68f55eb18277"}, { 
    "frame_type": "new_connection_id", "sequence_number": 3, "retire_before": 0, "connection_id": "1909595cbb452998", "reset_token": "360ab56f7635e76c1efae59537615e43"}, { 
    "frame_type": "padding"}]}],
[407, 0, "recovery", "metrics_updated", {"cwnd": 15360,"bytes_in_flight": 1927}],
[407, 0, "transport", "datagram_sent", { "byte_length": 675}],
[407, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[407, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3399}],
[407, 0, "transport", "datagram_sent", { "byte_length": 1472}],
[16309, 0, "transport", "datagram_received", { "byte_length": 1220}],
[16309, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 101, "packet_number": 113, "payload_length": 11, "dcid": "5dcba138045c8db9", "token": "b5a3348df95e8e0ae4b4bffaebbb80fa21beee0ca35a43e8fda4ee52bbe71297de09f8e656ae6a4438c052d1fb22eeea82639eb8" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 9, "acked_ranges": [[118718, 118718]], "ect0": 1, "ect1": 0, "ce": 0}]}],
[16309, 0, "transport", "packet_received", { "packet_type": "handshake", "header": { "packet_size": 100, "packet_number": 114, "payload_length": 63, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 6, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "crypto", "offset": 0, "length": 52}]}],
[16379, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=10\u000a"}],
[16309, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1019, "packet_number": 115, "dcid": "5dcba138045c8db9", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "padding"}]}],
[16309, 0, "recovery", "metrics_updated", {"cwnd": 18679,"pacing_rate": 4578538,"bytes_in_flight": 0,"smoothed_rtt": 15902,"min_rtt": 15902,"latest_rtt": 15902,"app_limited": 1}],
[16396, 0, "transport", "datagram_received", { "byte_length": 1252}],
[16396, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1252, "packet_number": 116, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[16406, 0, "transport", "spin_bit_updated", { "state": true }],
[16406, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 2 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 1, "acked_ranges": [[115, 116]]}, { 
    "frame_type": "ack_frequency", "sequence_number": 0, "packet_tolerance": 2, "max_ack_delay": 16000, "reordering_threshold": 0}, { 
    "frame_type": "handshake_done"}, { 
    "frame_type": "padding"}]}],
[16406, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 15902}],
[16406, 0, "transport", "datagram_sent", { "byte_length": 55}],
[19640, 0, "transport", "datagram_received", { "byte_length": 1332}],
[19640, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 117, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[20717, 0, "transport", "spin_bit_updated", { "state": false }],
[20717, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 3 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 134, "acked_ranges": [[115, 117]]}, { 
    "frame_type": "padding"}]}],
[20717, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 15902}],
[20717, 0, "transport", "datagram_sent", { "byte_length": 55}],
[23140, 0, "transport", "datagram_received", { "byte_length": 1412}],
[23140, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1412, "packet_number": 118, "dcid": "5dcba138045c8db9", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[24140, 0, "transport", "spin_bit_updated", { "state": true }],
[24140, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 4, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 125, "acked_ranges": [[115, 118]]}, { 
    "frame_type": "padding"}]}],
[24140, 0, "recovery", "metrics_updated", {"bytes_in_flight": 165,"smoothed_rtt": 15902}],
[24140, 0, "transport", "datagram_sent", { "byte_length": 55}],
[26519, 0, "transport", "datagram_received", { "byte_length": 1440}],
[26519, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 119, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[27597, 0, "transport", "spin_bit_updated", { "state": false }],
[27597, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 5 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 134, "acked_ranges": [[115, 119]]}, { 
    "frame_type": "padding"}]}],
[27597, 0, "recovery", "metrics_updated", {"bytes_in_flight": 220,"smoothed_rtt": 15902}],
[27597, 0, "transport", "datagram_sent", { "byte_length": 55}],
[36594, 0, "transport", "datagram_received", { "byte_length": 37}],
[36594, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 37, "packet_number": 120, "dcid": "5dcba138045c8db9", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 25, "acked_ranges": [[2, 5]], "ect0": 6, "ect1": 0, "ce": 0}]}],
[36594, 0, "recovery", "metrics_updated", {"cwnd": 18835,"bytes_in_flight": 0,"smoothed_rtt": 15038,"min_rtt": 8997,"latest_rtt": 8997}],
[36628, 0, "transport", "spin_bit_updated", { "state": true }],
[36628, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 6, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack_frequency", "sequence_number": 1, "packet_tolerance": 6, "max_ack_delay": 16000, "reordering_threshold": 0}, { 
    "frame_type": "padding"}]}],
[36628, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 15038}],
[36628, 0, "transport", "datagram_sent", { "byte_length": 55}],
[54995, 0, "transport", "datagram_received", { "byte_length": 37}],
[54995, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 37, "packet_number": 121, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 62, "acked_ranges": [[2, 6]], "ect0": 7, "ect1": 0, "ce": 0}]}],
[54995, 0, "recovery", "metrics_updated", {"cwnd": 18874,"bytes_in_flight": 0,"smoothed_rtt": 15454,"latest_rtt": 18367}],
[92017, 0, "transport", "datagram_received", { "byte_length": 1440}],
[92017, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 122, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[92040, 0, "transport", "spin_bit_updated", { "state": false }],
[92040, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 7 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 2, "acked_ranges": [[119, 122]]}, { 
    "frame_type": "padding"}]}],
[92040, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 15454}],
[92040, 0, "transport", "datagram_sent", { "byte_length": 55}],
[149882, 0, "transport", "datagram_received", { "byte_length": 1440}],
[149882, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 123, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 216, "acked_ranges": [[7, 7]], "ect0": 8, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[149882, 0, "recovery", "metrics_updated", {"cwnd": 18913,"bytes_in_flight": 0,"smoothed_rtt": 19502,"latest_rtt": 47842}],
[151029, 0, "transport", "spin_bit_updated", { "state": true }],
[151029, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 8 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 143, "acked_ranges": [[122, 123]]}, { 
    "frame_type": "padding"}]}],
[151029, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 19502}],
[151029, 0, "transport", "datagram_sent", { "byte_length": 55}],
[213164, 0, "transport", "datagram_received", { "byte_length": 1440}],
[213164, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 124, "dcid": "5dcba138045c8db9", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 233, "acked_ranges": [[8, 8]], "ect0": 9, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[213164, 0, "recovery", "metrics_updated", {"cwnd": 18952,"bytes_in_flight": 0,"smoothed_rtt": 23581,"latest_rtt": 52135}],
[214283, 0, "transport", "spin_bit_updated", { "state": false }],
[214283, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 9, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 139, "acked_ranges": [[123, 124]]}, { 
    "frame_type": "padding"}]}],
[214283, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 23581}],
[214283, 0, "transport", "datagram_sent", { "byte_length": 55}],
[267053, 0, "transport", "datagram_received", { "byte_length": 1440}],
[267053, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 125, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 196, "acked_ranges": [[9, 9]], "ect0": 10, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[267053, 0, "recovery", "metrics_updated", {"cwnd": 18991,"bytes_in_flight": 0,"smoothed_rtt": 25979,"latest_rtt": 42770}],
[268148, 0, "transport", "spin_bit_updated", { "state": true }],
[268148, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 10 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 136, "acked_ranges": [[124, 125]]}, { 
    "frame_type": "padding"}]}],
[268148, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 25979}],
[268148, 0, "transport", "datagram_sent", { "byte_length": 55}],
[322053, 0, "transport", "datagram_received", { "byte_length": 1440}],
[322053, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 126, "dcid": "5dcba138045c8db9", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 201, "acked_ranges": [[10, 10]], "ect0": 11, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[322053, 0, "recovery", "metrics_updated", {"cwnd": 19030,"bytes_in_flight": 0,"smoothed_rtt": 28219,"latest_rtt": 43905}],
[323203, 0, "transport", "spin_bit_updated", { "state": false }],
[323203, 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": [[125, 126]]}, { 
    "frame_type": "padding"}]}],
[323203, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 28219}],
[323203, 0, "transport", "datagram_sent", { "byte_length": 55}],
[380060, 0, "transport", "datagram_received", { "byte_length": 1440}],
[380060, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 127, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 212, "acked_ranges": [[11, 11]], "ect0": 12, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[380060, 0, "recovery", "metrics_updated", {"cwnd": 19069,"bytes_in_flight": 0,"smoothed_rtt": 30548,"latest_rtt": 46857}],
[381109, 0, "transport", "spin_bit_updated", { "state": true }],
[381109, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 12 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 131, "acked_ranges": [[126, 127]]}, { 
    "frame_type": "padding"}]}],
[381109, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 30548}],
[381109, 0, "transport", "datagram_sent", { "byte_length": 55}],
[434155, 0, "transport", "datagram_received", { "byte_length": 1440}],
[434155, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 128, "dcid": "5dcba138045c8db9", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 197, "acked_ranges": [[12, 12]], "ect0": 13, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[434155, 0, "recovery", "metrics_updated", {"cwnd": 19108,"bytes_in_flight": 0,"smoothed_rtt": 32110,"latest_rtt": 43046}],
[435272, 0, "transport", "spin_bit_updated", { "state": false }],
[435272, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 13, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 139, "acked_ranges": [[127, 128]]}, { 
    "frame_type": "padding"}]}],
[435272, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 32110}],
[435272, 0, "transport", "datagram_sent", { "byte_length": 55}],
[487883, 0, "transport", "datagram_received", { "byte_length": 1440}],
[487883, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 129, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 195, "acked_ranges": [[13, 13]], "ect0": 14, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[487883, 0, "recovery", "metrics_updated", {"cwnd": 19147,"bytes_in_flight": 0,"smoothed_rtt": 33422,"latest_rtt": 42611}],
[488977, 0, "transport", "spin_bit_updated", { "state": true }],
[488977, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 14 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 136, "acked_ranges": [[128, 129]]}, { 
    "frame_type": "padding"}]}],
[488977, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 33422}],
[488977, 0, "transport", "datagram_sent", { "byte_length": 55}],
[545316, 0, "transport", "datagram_received", { "byte_length": 1440}],
[545316, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 130, "dcid": "5dcba138045c8db9", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 210, "acked_ranges": [[14, 14]], "ect0": 15, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[545316, 0, "recovery", "metrics_updated", {"cwnd": 19186,"bytes_in_flight": 0,"smoothed_rtt": 35036,"latest_rtt": 46339}],
[546446, 0, "transport", "spin_bit_updated", { "state": false }],
[546446, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 15, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 141, "acked_ranges": [[129, 130]]}, { 
    "frame_type": "padding"}]}],
[546446, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 35036}],
[546446, 0, "transport", "datagram_sent", { "byte_length": 55}],
[608898, 0, "transport", "datagram_received", { "byte_length": 1440}],
[608898, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 131, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 233, "acked_ranges": [[15, 15]], "ect0": 16, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[608898, 0, "recovery", "metrics_updated", {"cwnd": 19225,"bytes_in_flight": 0,"smoothed_rtt": 37213,"latest_rtt": 52452}],
[609994, 0, "transport", "spin_bit_updated", { "state": true }],
[609994, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 16 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[130, 131]]}, { 
    "frame_type": "padding"}]}],
[609994, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 37213}],
[609994, 0, "transport", "datagram_sent", { "byte_length": 55}],
[663605, 0, "transport", "datagram_received", { "byte_length": 1440}],
[663605, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 132, "dcid": "5dcba138045c8db9", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 200, "acked_ranges": [[16, 16]], "ect0": 17, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[663605, 0, "recovery", "metrics_updated", {"cwnd": 19264,"bytes_in_flight": 0,"smoothed_rtt": 38012,"latest_rtt": 43611}],
[664722, 0, "transport", "spin_bit_updated", { "state": false }],
[664722, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 17, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 139, "acked_ranges": [[131, 132]]}, { 
    "frame_type": "padding"}]}],
[664722, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 38012}],
[664722, 0, "transport", "datagram_sent", { "byte_length": 55}],
[718642, 0, "transport", "datagram_received", { "byte_length": 1440}],
[718642, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 133, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 201, "acked_ranges": [[17, 17]], "ect0": 18, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[718642, 0, "recovery", "metrics_updated", {"cwnd": 19303,"bytes_in_flight": 0,"smoothed_rtt": 38750,"latest_rtt": 43920}],
[719737, 0, "transport", "spin_bit_updated", { "state": true }],
[719737, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 18 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 136, "acked_ranges": [[132, 133]]}, { 
    "frame_type": "padding"}]}],
[719737, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 38750}],
[719737, 0, "transport", "datagram_sent", { "byte_length": 55}],
[782614, 0, "transport", "datagram_received", { "byte_length": 1440}],
[782614, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 134, "dcid": "5dcba138045c8db9", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 236, "acked_ranges": [[18, 18]], "ect0": 19, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[782614, 0, "recovery", "metrics_updated", {"cwnd": 19342,"bytes_in_flight": 0,"smoothed_rtt": 40515,"latest_rtt": 52877}],
[783724, 0, "transport", "spin_bit_updated", { "state": false }],
[783724, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 19, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 138, "acked_ranges": [[133, 134]]}, { 
    "frame_type": "padding"}]}],
[783724, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 40515}],
[783724, 0, "transport", "datagram_sent", { "byte_length": 55}],
[840649, 0, "transport", "datagram_received", { "byte_length": 1440}],
[840649, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 135, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 213, "acked_ranges": [[19, 19]], "ect0": 20, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[840649, 0, "recovery", "metrics_updated", {"cwnd": 19381,"bytes_in_flight": 0,"smoothed_rtt": 41316,"latest_rtt": 46925}],
[841735, 0, "transport", "spin_bit_updated", { "state": true }],
[841735, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 20 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 135, "acked_ranges": [[134, 135]]}, { 
    "frame_type": "padding"}]}],
[841735, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 41316}],
[841735, 0, "transport", "datagram_sent", { "byte_length": 55}],
[900526, 0, "transport", "datagram_received", { "byte_length": 1440}],
[900526, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 136, "dcid": "5dcba138045c8db9", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 220, "acked_ranges": [[20, 20]], "ect0": 21, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[900526, 0, "recovery", "metrics_updated", {"cwnd": 19420,"bytes_in_flight": 0,"smoothed_rtt": 42250,"latest_rtt": 48791}],
[901643, 0, "transport", "spin_bit_updated", { "state": false }],
[901643, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 21, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 139, "acked_ranges": [[135, 136]]}, { 
    "frame_type": "padding"}]}],
[901643, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 42250}],
[901643, 0, "transport", "datagram_sent", { "byte_length": 55}],
[957130, 0, "transport", "datagram_received", { "byte_length": 1440}],
[957130, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 137, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 206, "acked_ranges": [[21, 21]], "ect0": 22, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[957130, 0, "recovery", "metrics_updated", {"cwnd": 19459,"bytes_in_flight": 0,"smoothed_rtt": 42654,"latest_rtt": 45487}],
[958223, 0, "transport", "spin_bit_updated", { "state": true }],
[958223, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 22 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 136, "acked_ranges": [[136, 137]]}, { 
    "frame_type": "padding"}]}],
[958223, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 42654}],
[958223, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1020219, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1020219, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 138, "dcid": "5dcba138045c8db9", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 232, "acked_ranges": [[22, 22]], "ect0": 23, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1020219, 0, "recovery", "metrics_updated", {"cwnd": 19498,"bytes_in_flight": 0,"smoothed_rtt": 43821,"latest_rtt": 51996}],
[1021343, 0, "transport", "spin_bit_updated", { "state": false }],
[1021343, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 23, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 140, "acked_ranges": [[137, 138]]}, { 
    "frame_type": "padding"}]}],
[1021343, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 43821}],
[1021343, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1074518, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1074518, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 139, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 198, "acked_ranges": [[23, 23]], "ect0": 24, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1074518, 0, "recovery", "metrics_updated", {"cwnd": 19537,"bytes_in_flight": 0,"smoothed_rtt": 43740,"latest_rtt": 43175}],
[1075612, 0, "transport", "spin_bit_updated", { "state": true }],
[1075612, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 24 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 136, "acked_ranges": [[138, 139]]}, { 
    "frame_type": "padding"}]}],
[1075612, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 43740}],
[1075612, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1129661, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1129661, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 140, "dcid": "5dcba138045c8db9", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 201, "acked_ranges": [[24, 24]], "ect0": 25, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1129661, 0, "recovery", "metrics_updated", {"cwnd": 19576,"bytes_in_flight": 0,"smoothed_rtt": 43778,"latest_rtt": 44049}],
[1130784, 0, "transport", "spin_bit_updated", { "state": false }],
[1130784, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 25, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 140, "acked_ranges": [[139, 140]]}, { 
    "frame_type": "padding"}]}],
[1130784, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 43778}],
[1130784, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1185353, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1185353, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 141, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 200, "acked_ranges": [[25, 25]], "ect0": 26, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1185353, 0, "recovery", "metrics_updated", {"cwnd": 19615,"bytes_in_flight": 0,"smoothed_rtt": 43876,"latest_rtt": 44569}],
[1186444, 0, "transport", "spin_bit_updated", { "state": true }],
[1186444, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 26 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 136, "acked_ranges": [[140, 141]]}, { 
    "frame_type": "padding"}]}],
[1186444, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 43876}],
[1186444, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1242236, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1242236, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 142, "dcid": "5dcba138045c8db9", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 208, "acked_ranges": [[26, 26]], "ect0": 27, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1242236, 0, "recovery", "metrics_updated", {"cwnd": 19654,"bytes_in_flight": 0,"smoothed_rtt": 44115,"latest_rtt": 45792}],
[1243602, 0, "transport", "spin_bit_updated", { "state": false }],
[1243602, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 27, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 170, "acked_ranges": [[141, 142]]}, { 
    "frame_type": "padding"}]}],
[1243602, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 44115}],
[1243602, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1305479, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1305479, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 143, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 231, "acked_ranges": [[27, 27]], "ect0": 28, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1305479, 0, "recovery", "metrics_updated", {"cwnd": 19693,"bytes_in_flight": 0,"smoothed_rtt": 45085,"latest_rtt": 51877}],
[1306715, 0, "transport", "spin_bit_updated", { "state": true }],
[1306715, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 28 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 154, "acked_ranges": [[142, 143]]}, { 
    "frame_type": "padding"}]}],
[1306715, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 45085}],
[1306715, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1369474, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1369474, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 144, "dcid": "5dcba138045c8db9", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 235, "acked_ranges": [[28, 28]], "ect0": 29, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1369474, 0, "recovery", "metrics_updated", {"cwnd": 19732,"bytes_in_flight": 0,"smoothed_rtt": 46044,"latest_rtt": 52759}],
[1370596, 0, "transport", "spin_bit_updated", { "state": false }],
[1370596, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 29, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 140, "acked_ranges": [[143, 144]]}, { 
    "frame_type": "padding"}]}],
[1370596, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 46044}],
[1370596, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1431848, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1431848, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 145, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 229, "acked_ranges": [[29, 29]], "ect0": 30, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1431848, 0, "recovery", "metrics_updated", {"cwnd": 19771,"bytes_in_flight": 0,"smoothed_rtt": 46695,"latest_rtt": 51252}],
[1432936, 0, "transport", "spin_bit_updated", { "state": true }],
[1432936, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 30 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 136, "acked_ranges": [[144, 145]]}, { 
    "frame_type": "padding"}]}],
[1432936, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 46695}],
[1432936, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1494936, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1494936, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 146, "dcid": "5dcba138045c8db9", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 233, "acked_ranges": [[30, 30]], "ect0": 31, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1494936, 0, "recovery", "metrics_updated", {"cwnd": 19810,"bytes_in_flight": 0,"smoothed_rtt": 47358,"latest_rtt": 52000}],
[1496054, 0, "transport", "spin_bit_updated", { "state": false }],
[1496054, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 31, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 139, "acked_ranges": [[145, 146]]}, { 
    "frame_type": "padding"}]}],
[1496054, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 47358}],
[1496054, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1558605, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1558605, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 147, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 234, "acked_ranges": [[31, 31]], "ect0": 32, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1558605, 0, "recovery", "metrics_updated", {"cwnd": 19849,"bytes_in_flight": 0,"smoothed_rtt": 48007,"latest_rtt": 52551}],
[1559703, 0, "transport", "spin_bit_updated", { "state": true }],
[1559703, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 32 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[146, 147]]}, { 
    "frame_type": "padding"}]}],
[1559703, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 48007}],
[1559703, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1622275, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1622275, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 148, "dcid": "5dcba138045c8db9", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 234, "acked_ranges": [[32, 32]], "ect0": 33, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1622275, 0, "recovery", "metrics_updated", {"cwnd": 19888,"bytes_in_flight": 0,"smoothed_rtt": 48577,"latest_rtt": 52572}],
[1623389, 0, "transport", "spin_bit_updated", { "state": false }],
[1623389, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 33, "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 139, "acked_ranges": [[147, 148]]}, { 
    "frame_type": "padding"}]}],
[1623389, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 48577}],
[1623389, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1685416, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1685416, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 149, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 232, "acked_ranges": [[33, 33]], "ect0": 34, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1685416, 0, "recovery", "metrics_updated", {"cwnd": 19927,"bytes_in_flight": 0,"smoothed_rtt": 49008,"latest_rtt": 52027}],
[1686512, 0, "transport", "spin_bit_updated", { "state": true }],
[1686512, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 34 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[148, 149]]}, { 
    "frame_type": "padding"}]}],
[1686512, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 49008}],
[1686512, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1748806, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1748806, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 150, "dcid": "5dcba138045c8db9", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 234, "acked_ranges": [[34, 34]], "ect0": 35, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1748806, 0, "recovery", "metrics_updated", {"cwnd": 19966,"bytes_in_flight": 0,"smoothed_rtt": 49418,"latest_rtt": 52294}],
[1750206, 0, "transport", "spin_bit_updated", { "state": false }],
[1750206, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 35, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 175, "acked_ranges": [[149, 150]]}, { 
    "frame_type": "padding"}]}],
[1750206, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 49418}],
[1750206, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1812135, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1812135, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 151, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 232, "acked_ranges": [[35, 35]], "ect0": 36, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1812135, 0, "recovery", "metrics_updated", {"cwnd": 20005,"bytes_in_flight": 0,"smoothed_rtt": 49731,"latest_rtt": 51929}],
[1813222, 0, "transport", "spin_bit_updated", { "state": true }],
[1813222, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 36 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 135, "acked_ranges": [[150, 151]]}, { 
    "frame_type": "padding"}]}],
[1813222, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 49731}],
[1813222, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1875193, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1875193, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 152, "dcid": "5dcba138045c8db9", "key_phase": 1 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 232, "acked_ranges": [[36, 36]], "ect0": 37, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1875193, 0, "recovery", "metrics_updated", {"cwnd": 20044,"bytes_in_flight": 0,"smoothed_rtt": 50011,"latest_rtt": 51971}],
[1876316, 0, "transport", "spin_bit_updated", { "state": false }],
[1876316, 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": [[151, 152]]}, { 
    "frame_type": "padding"}]}],
[1876316, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 50011}],
[1876316, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1938843, 0, "transport", "datagram_received", { "byte_length": 1440}],
[1938843, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 153, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 234, "acked_ranges": [[37, 37]], "ect0": 38, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1938843, 0, "recovery", "metrics_updated", {"cwnd": 20083,"bytes_in_flight": 0,"smoothed_rtt": 50325,"latest_rtt": 52527}],
[1940194, 0, "transport", "spin_bit_updated", { "state": true }],
[1940194, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 38 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 168, "acked_ranges": [[152, 153]]}, { 
    "frame_type": "padding"}]}],
[1940194, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 50325}],
[1940194, 0, "transport", "datagram_sent", { "byte_length": 55}],
[2001678, 0, "transport", "datagram_received", { "byte_length": 1440}],
[2001678, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1440, "packet_number": 154, "dcid": "5dcba138045c8db9", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 230, "acked_ranges": [[38, 38]], "ect0": 39, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2001678, 0, "recovery", "metrics_updated", {"cwnd": 20122,"bytes_in_flight": 0,"smoothed_rtt": 50469,"latest_rtt": 51484}],
[2002795, 0, "transport", "spin_bit_updated", { "state": false }],
[2002795, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 39, "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 139, "acked_ranges": [[153, 154]]}, { 
    "frame_type": "padding"}]}],
[2002795, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 50469}],
[2002795, 0, "transport", "datagram_sent", { "byte_length": 55}],
[2017398, 0, "transport", "datagram_received", { "byte_length": 40}],
[2017398, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 40, "packet_number": 155, "dcid": "5dcba138045c8db9" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 47, "acked_ranges": [[39, 39]], "ect0": 40, "ect1": 0, "ce": 0}, { 
    "frame_type": "connection_close", "error_space": "application", "error_code": 0}]}],
[2017411, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=6\u000a"}],
[2017398, 0, "recovery", "metrics_updated", {"cwnd": 20161,"bytes_in_flight": 0,"smoothed_rtt": 45985,"latest_rtt": 14603}],
[2017422, 0, "transport", "spin_bit_updated", { "state": true }],
[2017422, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 7, "packet_number": 40 }, "frames": [{ 
    "frame_type": "connection_close", "error_space": "transport", "error_code": 0}]}],
[2017422, 0, "transport", "datagram_sent", { "byte_length": 23}],
[2017463, 0, "info", "message", { "message": "Closed. Retrans= 0, spurious= 0, max sp gap = 0, max sp delay = 0, dg-coal: 1.024390"}]]}]}