2025/09/12 03:06:25 Requesting https://server6:443/zfpcwbimth. 2025/09/12 03:06:25 Requesting https://server6:443/iynwbauhtp. 2025/09/12 03:06:25 Increased receive buffer size to 14336 kiB 2025/09/12 03:06:25 Increased send buffer size to 14336 kiB 2025/09/12 03:06:25 Setting DF for IPv4 and IPv6. 2025/09/12 03:06:25 Activating reading of ECN bits for IPv4 and IPv6. 2025/09/12 03:06:25 Activating reading of packet info for IPv4 and IPv6. 2025/09/12 03:06:25 Created qlog file: /logs/qlog/ea7a91ec3bb4adcbc4279e1e46f648228e33.sqlog 2025/09/12 03:06:25 client Starting new connection to server6 ([::]:33847 -> [fd00:cafe:cafe:100::100]:443), source connection ID (empty), destination connection ID ea7a91ec3bb4adcbc4279e1e46f648228e33, version v1 2025/09/12 03:06:25 client Not doing 0-RTT. Has sealer: false, has params: false 2025/09/12 03:06:25 client -> Sending packet 0 (1280 bytes) for connection ea7a91ec3bb4adcbc4279e1e46f648228e33, Initial 2025/09/12 03:06:25 client Long Header{Type: Initial, DestConnectionID: ea7a91ec3bb4adcbc4279e1e46f648228e33, SrcConnectionID: (empty), Token: (empty), PacketNumber: 0, PacketNumberLen: 2, Length: 1252, Version: v1} 2025/09/12 03:06:25 client -> &wire.CryptoFrame{Offset: 67, Data length: 1163, Offset + Data length: 1230} 2025/09/12 03:06:25 client -> &wire.CryptoFrame{Offset: 0, Data length: 63, Offset + Data length: 63} 2025/09/12 03:06:25 client -> Sending packet 1 (1280 bytes) for connection ea7a91ec3bb4adcbc4279e1e46f648228e33, Initial 2025/09/12 03:06:25 client Long Header{Type: Initial, DestConnectionID: ea7a91ec3bb4adcbc4279e1e46f648228e33, SrcConnectionID: (empty), Token: (empty), PacketNumber: 1, PacketNumberLen: 2, Length: 1252, Version: v1} 2025/09/12 03:06:25 client -> &wire.CryptoFrame{Offset: 63, Data length: 4, Offset + Data length: 67} 2025/09/12 03:06:25 client -> &wire.CryptoFrame{Offset: 1230, Data length: 280, Offset + Data length: 1510} 2025/09/12 03:06:25 client Parsed a coalesced packet. Part 1: 43 bytes. Remaining: 1157 bytes. 2025/09/12 03:06:25 client <- Reading packet 0 (43 bytes) for connection (empty), Initial 2025/09/12 03:06:25 client Long Header{Type: Initial, DestConnectionID: (empty), SrcConnectionID: 83642a718ebe001e, Token: (empty), PacketNumber: 0, PacketNumberLen: 2, Length: 25, Version: v1} 2025/09/12 03:06:25 client Received first packet. Switching destination connection ID to: 83642a718ebe001e 2025/09/12 03:06:25 client <- &wire.AckFrame{LargestAcked: 0, LowestAcked: 0, DelayTime: 1.52ms} 2025/09/12 03:06:25 client newly acked packets (1): [0] 2025/09/12 03:06:25 client updated RTT: 41.797672ms (σ: 20.898836ms) 2025/09/12 03:06:25 client <- &wire.PingFrame{} 2025/09/12 03:06:25 client Queueing packet (1157 bytes) for later decryption 2025/09/12 03:06:25 client -> Sending packet 2 (1280 bytes) for connection ea7a91ec3bb4adcbc4279e1e46f648228e33, Initial 2025/09/12 03:06:25 client Long Header{Type: Initial, DestConnectionID: 83642a718ebe001e, SrcConnectionID: (empty), Token: (empty), PacketNumber: 2, PacketNumberLen: 2, Length: 1262, Version: v1} 2025/09/12 03:06:25 client -> &wire.AckFrame{LargestAcked: 0, LowestAcked: 0, DelayTime: 0s} 2025/09/12 03:06:25 client Parsed a coalesced packet. Part 1: 136 bytes. Remaining: 1064 bytes. 2025/09/12 03:06:25 client <- Reading packet 1 (136 bytes) for connection (empty), Initial 2025/09/12 03:06:25 client Long Header{Type: Initial, DestConnectionID: (empty), SrcConnectionID: 83642a718ebe001e, Token: (empty), PacketNumber: 1, PacketNumberLen: 2, Length: 118, Version: v1} 2025/09/12 03:06:25 client <- &wire.AckFrame{LargestAcked: 1, LowestAcked: 0, DelayTime: 2.144ms} 2025/09/12 03:06:25 client newly acked packets (1): [1] 2025/09/12 03:06:25 client updated RTT: 42.084ms (σ: 16.249ms) 2025/09/12 03:06:25 client <- &wire.CryptoFrame{Offset: 0, Data length: 90, Offset + Data length: 90} 2025/09/12 03:06:25 client Installed Handshake Write keys (using TLS_AES_256_GCM_SHA384) 2025/09/12 03:06:25 client Installed Handshake Read keys (using TLS_AES_256_GCM_SHA384) 2025/09/12 03:06:25 client Parsed a coalesced packet. Part 2: 784 bytes. Remaining: 280 bytes. 2025/09/12 03:06:25 client <- Reading packet 2 (784 bytes) for connection (empty), Handshake 2025/09/12 03:06:25 client Long Header{Type: Handshake, DestConnectionID: (empty), SrcConnectionID: 83642a718ebe001e, PacketNumber: 2, PacketNumberLen: 2, Length: 767, Version: v1} 2025/09/12 03:06:25 client <- &wire.CryptoFrame{Offset: 0, Data length: 745, Offset + Data length: 745} 2025/09/12 03:06:25 client Installed 1-RTT Write keys (using TLS_AES_256_GCM_SHA384) 2025/09/12 03:06:25 client Installed 1-RTT Read keys (using TLS_AES_256_GCM_SHA384) 2025/09/12 03:06:25 client Processed Transport Parameters: &wire.TransportParameters{OriginalDestinationConnectionID: ea7a91ec3bb4adcbc4279e1e46f648228e33, InitialSourceConnectionID: 83642a718ebe001e, InitialMaxStreamDataBidiLocal: 1048576, InitialMaxStreamDataBidiRemote: 1048576, InitialMaxStreamDataUni: 1048576, InitialMaxData: 1048576, MaxBidiStreamNum: 128, MaxUniStreamNum: 128, MaxIdleTimeout: 1m0s, AckDelayExponent: 3, MaxAckDelay: 25ms, ActiveConnectionIDLimit: 8, StatelessResetToken: 0x144363e837cd7536c0344ab5dbbd1628, MaxDatagramFrameSize: 65536, EnableResetStreamAt: false} 2025/09/12 03:06:25 client Dropping %!s(logging.PacketType=5) packet (280 bytes) for which we couldn't unpack the header. Error: not a QUIC packet 2025/09/12 03:06:25 client -> Sending coalesced packet (2 parts, 1280 bytes) for connection ea7a91ec3bb4adcbc4279e1e46f648228e33 2025/09/12 03:06:25 client Long Header{Type: Initial, DestConnectionID: 83642a718ebe001e, SrcConnectionID: (empty), Token: (empty), PacketNumber: 3, PacketNumberLen: 2, Length: 1172, Version: v1} 2025/09/12 03:06:25 client -> &wire.AckFrame{LargestAcked: 1, LowestAcked: 0, DelayTime: 0s} 2025/09/12 03:06:25 client Long Header{Type: Handshake, DestConnectionID: 83642a718ebe001e, SrcConnectionID: (empty), PacketNumber: 0, PacketNumberLen: 2, Length: 73, Version: v1} 2025/09/12 03:06:25 client -> &wire.CryptoFrame{Offset: 0, Data length: 52, Offset + Data length: 52} 2025/09/12 03:06:25 client Dropping Initial keys. 2025/09/12 03:06:25 client Dropping %!s(logging.PacketType=5) packet (1157 bytes) for which we couldn't unpack the header. Error: not a QUIC packet 2025/09/12 03:06:25 client -> Sending packet 1 (40 bytes) for connection ea7a91ec3bb4adcbc4279e1e46f648228e33, Handshake 2025/09/12 03:06:25 client Long Header{Type: Handshake, DestConnectionID: 83642a718ebe001e, SrcConnectionID: (empty), PacketNumber: 1, PacketNumberLen: 2, Length: 23, Version: v1} 2025/09/12 03:06:25 client -> &wire.AckFrame{LargestAcked: 2, LowestAcked: 2, DelayTime: 0s} 2025/09/12 03:06:25 client -> Sending packet 0 (66 bytes) for connection ea7a91ec3bb4adcbc4279e1e46f648228e33, 1-RTT (ECN: ECT(0)) 2025/09/12 03:06:25 client Short Header{DestConnectionID: 83642a718ebe001e, PacketNumber: 0, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client -> &wire.StreamFrame{StreamID: 0, Fin: true, Offset: 0, Data length: 17, Offset + Data length: 17} 2025/09/12 03:06:25 client -> &wire.StreamFrame{StreamID: 4, Fin: true, Offset: 0, Data length: 17, Offset + Data length: 17} 2025/09/12 03:06:25 client <- Reading packet 3 (104 bytes) for connection (empty), 1-RTT 2025/09/12 03:06:25 client Short Header{DestConnectionID: (empty), PacketNumber: 3, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client <- &wire.HandshakeDoneFrame{} 2025/09/12 03:06:25 client Dropping Handshake keys. 2025/09/12 03:06:25 client <- &wire.NewConnectionIDFrame{SequenceNumber: 1, RetirePriorTo: 0, ConnectionID: 037549780331ed33, StatelessResetToken: 0x7dfcf150c240778b3468010a41de5e6d} 2025/09/12 03:06:25 client <- &wire.NewConnectionIDFrame{SequenceNumber: 2, RetirePriorTo: 0, ConnectionID: ae7a6fdaf1fbacf3, StatelessResetToken: 0x1e76f3f7294defdc207bbdc1e3761158} 2025/09/12 03:06:25 client <- &wire.NewConnectionIDFrame{SequenceNumber: 3, RetirePriorTo: 0, ConnectionID: db5068ef71965121, StatelessResetToken: 0x64e364cedbf8684459c165be90cd10b7} 2025/09/12 03:06:25 client Queueing ACK because the first packet should be acknowledged. 2025/09/12 03:06:25 client -> Sending packet 1 (34 bytes) for connection ea7a91ec3bb4adcbc4279e1e46f648228e33, 1-RTT (ECN: ECT(0)) 2025/09/12 03:06:25 client Short Header{DestConnectionID: 037549780331ed33, PacketNumber: 1, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client -> &wire.AckFrame{LargestAcked: 3, LowestAcked: 3, DelayTime: 143.688µs} 2025/09/12 03:06:25 client -> &wire.RetireConnectionIDFrame{SequenceNumber: 0} 2025/09/12 03:06:25 client <- Reading packet 4 (25 bytes) for connection (empty), 1-RTT 2025/09/12 03:06:25 client Short Header{DestConnectionID: (empty), PacketNumber: 4, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client <- &wire.AckFrame{LargestAcked: 0, LowestAcked: 0, DelayTime: 4.432ms} 2025/09/12 03:06:25 client newly acked packets (1): [0] 2025/09/12 03:06:25 client updated RTT: 41.472ms (σ: 13.409ms) 2025/09/12 03:06:25 client Disabling ECN. ECN-marked packet acknowledged, but no ECN counts on ACK frame. 2025/09/12 03:06:25 client <- Reading packet 5 (1200 bytes) for connection (empty), 1-RTT 2025/09/12 03:06:25 client Short Header{DestConnectionID: (empty), PacketNumber: 5, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client <- &wire.StreamFrame{StreamID: 4, Fin: false, Offset: 0, Data length: 1177, Offset + Data length: 1177} 2025/09/12 03:06:25 client Setting ACK timer to max ack delay: 25ms 2025/09/12 03:06:25 client <- Reading packet 6 (1200 bytes) for connection (empty), 1-RTT 2025/09/12 03:06:25 client Short Header{DestConnectionID: (empty), PacketNumber: 6, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client <- &wire.StreamFrame{StreamID: 4, Fin: false, Offset: 1177, Data length: 1175, Offset + Data length: 2352} 2025/09/12 03:06:25 client Queueing ACK because packet 2 packets were received after the last ACK (using initial threshold: 2). 2025/09/12 03:06:25 client -> Sending packet 2 (32 bytes) for connection ea7a91ec3bb4adcbc4279e1e46f648228e33, 1-RTT (ECN: Not-ECT) 2025/09/12 03:06:25 client Short Header{DestConnectionID: 037549780331ed33, PacketNumber: 2, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client -> &wire.AckFrame{LargestAcked: 6, LowestAcked: 3, DelayTime: 53.549µs} 2025/09/12 03:06:25 client <- Reading packet 7 (1200 bytes) for connection (empty), 1-RTT 2025/09/12 03:06:25 client Short Header{DestConnectionID: (empty), PacketNumber: 7, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client <- &wire.StreamFrame{StreamID: 4, Fin: false, Offset: 2352, Data length: 1175, Offset + Data length: 3527} 2025/09/12 03:06:25 client Setting ACK timer to max ack delay: 25ms 2025/09/12 03:06:25 client <- Reading packet 8 (1200 bytes) for connection (empty), 1-RTT 2025/09/12 03:06:25 client Short Header{DestConnectionID: (empty), PacketNumber: 8, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client <- &wire.StreamFrame{StreamID: 0, Fin: false, Offset: 0, Data length: 1177, Offset + Data length: 1177} 2025/09/12 03:06:25 client Queueing ACK because packet 2 packets were received after the last ACK (using initial threshold: 2). 2025/09/12 03:06:25 client -> Sending packet 3 (32 bytes) for connection ea7a91ec3bb4adcbc4279e1e46f648228e33, 1-RTT (ECN: Not-ECT) 2025/09/12 03:06:25 client Short Header{DestConnectionID: 037549780331ed33, PacketNumber: 3, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client -> &wire.AckFrame{LargestAcked: 8, LowestAcked: 3, DelayTime: 49.512µs} 2025/09/12 03:06:25 client <- Reading packet 9 (1200 bytes) for connection (empty), 1-RTT 2025/09/12 03:06:25 client Short Header{DestConnectionID: (empty), PacketNumber: 9, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client <- &wire.StreamFrame{StreamID: 4, Fin: false, Offset: 3527, Data length: 1175, Offset + Data length: 4702} 2025/09/12 03:06:25 client Setting ACK timer to max ack delay: 25ms 2025/09/12 03:06:25 client <- Reading packet 10 (1200 bytes) for connection (empty), 1-RTT 2025/09/12 03:06:25 client Short Header{DestConnectionID: (empty), PacketNumber: 10, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client <- &wire.StreamFrame{StreamID: 0, Fin: false, Offset: 1177, Data length: 1175, Offset + Data length: 2352} 2025/09/12 03:06:25 client Queueing ACK because packet 2 packets were received after the last ACK (using initial threshold: 2). 2025/09/12 03:06:25 client -> Sending packet 4 (32 bytes) for connection ea7a91ec3bb4adcbc4279e1e46f648228e33, 1-RTT (ECN: Not-ECT) 2025/09/12 03:06:25 client Short Header{DestConnectionID: 037549780331ed33, PacketNumber: 4, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client -> &wire.AckFrame{LargestAcked: 10, LowestAcked: 3, DelayTime: 51.916µs} 2025/09/12 03:06:25 client <- Reading packet 11 (1200 bytes) for connection (empty), 1-RTT 2025/09/12 03:06:25 client Short Header{DestConnectionID: (empty), PacketNumber: 11, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client <- &wire.StreamFrame{StreamID: 4, Fin: true, Offset: 4702, Data length: 418, Offset + Data length: 5120} 2025/09/12 03:06:25 client <- &wire.StreamFrame{StreamID: 0, Fin: false, Offset: 2352, Data length: 751, Offset + Data length: 3103} 2025/09/12 03:06:25 client Setting ACK timer to max ack delay: 25ms 2025/09/12 03:06:25 client <- Reading packet 12 (1200 bytes) for connection (empty), 1-RTT 2025/09/12 03:06:25 client Short Header{DestConnectionID: (empty), PacketNumber: 12, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client <- &wire.StreamFrame{StreamID: 0, Fin: false, Offset: 3103, Data length: 1175, Offset + Data length: 4278} 2025/09/12 03:06:25 client Queueing ACK because packet 2 packets were received after the last ACK (using initial threshold: 2). 2025/09/12 03:06:25 client -> Sending packet 5 (32 bytes) for connection ea7a91ec3bb4adcbc4279e1e46f648228e33, 1-RTT (ECN: Not-ECT) 2025/09/12 03:06:25 client Short Header{DestConnectionID: 037549780331ed33, PacketNumber: 5, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client -> &wire.AckFrame{LargestAcked: 12, LowestAcked: 3, DelayTime: 40.205µs} 2025/09/12 03:06:25 client <- Reading packet 13 (1200 bytes) for connection (empty), 1-RTT 2025/09/12 03:06:25 client Short Header{DestConnectionID: (empty), PacketNumber: 13, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client <- &wire.StreamFrame{StreamID: 0, Fin: false, Offset: 4278, Data length: 1175, Offset + Data length: 5453} 2025/09/12 03:06:25 client Setting ACK timer to max ack delay: 25ms 2025/09/12 03:06:25 client <- Reading packet 14 (1200 bytes) for connection (empty), 1-RTT 2025/09/12 03:06:25 client Short Header{DestConnectionID: (empty), PacketNumber: 14, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client <- &wire.StreamFrame{StreamID: 0, Fin: false, Offset: 5453, Data length: 1175, Offset + Data length: 6628} 2025/09/12 03:06:25 client Queueing ACK because packet 2 packets were received after the last ACK (using initial threshold: 2). 2025/09/12 03:06:25 client -> Sending packet 6 (32 bytes) for connection ea7a91ec3bb4adcbc4279e1e46f648228e33, 1-RTT (ECN: Not-ECT) 2025/09/12 03:06:25 client Short Header{DestConnectionID: 037549780331ed33, PacketNumber: 6, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client -> &wire.AckFrame{LargestAcked: 14, LowestAcked: 3, DelayTime: 39.634µs} 2025/09/12 03:06:25 client <- Reading packet 15 (75 bytes) for connection (empty), 1-RTT 2025/09/12 03:06:25 client Short Header{DestConnectionID: (empty), PacketNumber: 15, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client <- &wire.StreamFrame{StreamID: 0, Fin: false, Offset: 6628, Data length: 50, Offset + Data length: 6678} 2025/09/12 03:06:25 client Setting ACK timer to max ack delay: 25ms 2025/09/12 03:06:25 client <- Reading packet 16 (208 bytes) for connection (empty), 1-RTT 2025/09/12 03:06:25 client Short Header{DestConnectionID: (empty), PacketNumber: 16, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client <- &wire.NewConnectionIDFrame{SequenceNumber: 4, RetirePriorTo: 0, ConnectionID: 0f69e69ada388d82, StatelessResetToken: 0xbf87a20c492397ca6651efe4f79810c8} 2025/09/12 03:06:25 client <- &wire.StreamFrame{StreamID: 0, Fin: false, Offset: 6678, Data length: 155, Offset + Data length: 6833} 2025/09/12 03:06:25 client Queueing ACK because packet 2 packets were received after the last ACK (using initial threshold: 2). 2025/09/12 03:06:25 client -> Sending packet 7 (32 bytes) for connection ea7a91ec3bb4adcbc4279e1e46f648228e33, 1-RTT (ECN: Not-ECT) 2025/09/12 03:06:25 client Short Header{DestConnectionID: 037549780331ed33, PacketNumber: 7, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client -> &wire.AckFrame{LargestAcked: 16, LowestAcked: 3, DelayTime: 71.805µs} 2025/09/12 03:06:25 client <- Reading packet 17 (25 bytes) for connection (empty), 1-RTT 2025/09/12 03:06:25 client Short Header{DestConnectionID: (empty), PacketNumber: 17, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client <- &wire.AckFrame{LargestAcked: 1, LowestAcked: 0, DelayTime: 1.608ms} 2025/09/12 03:06:25 client newly acked packets (1): [1] 2025/09/12 03:06:25 client updated RTT: 40.324ms (σ: 12.352ms) 2025/09/12 03:06:25 client Canceling loss detection timer. 2025/09/12 03:06:25 client Ignoring all packets below 4. 2025/09/12 03:06:25 client <- Reading packet 18 (1200 bytes) for connection (empty), 1-RTT 2025/09/12 03:06:25 client Short Header{DestConnectionID: (empty), PacketNumber: 18, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client <- &wire.StreamFrame{StreamID: 0, Fin: false, Offset: 6833, Data length: 1175, Offset + Data length: 8008} 2025/09/12 03:06:25 client Setting ACK timer to max ack delay: 25ms 2025/09/12 03:06:25 client <- Reading packet 19 (1200 bytes) for connection (empty), 1-RTT 2025/09/12 03:06:25 client Short Header{DestConnectionID: (empty), PacketNumber: 19, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client <- &wire.StreamFrame{StreamID: 0, Fin: false, Offset: 8008, Data length: 1175, Offset + Data length: 9183} 2025/09/12 03:06:25 client Queueing ACK because packet 2 packets were received after the last ACK (using initial threshold: 2). 2025/09/12 03:06:25 client -> Sending packet 8 (32 bytes) for connection ea7a91ec3bb4adcbc4279e1e46f648228e33, 1-RTT (ECN: Not-ECT) 2025/09/12 03:06:25 client Short Header{DestConnectionID: 037549780331ed33, PacketNumber: 8, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client -> &wire.AckFrame{LargestAcked: 19, LowestAcked: 4, DelayTime: 40.506µs} 2025/09/12 03:06:25 client <- Reading packet 20 (1082 bytes) for connection (empty), 1-RTT 2025/09/12 03:06:25 client Short Header{DestConnectionID: (empty), PacketNumber: 20, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client <- &wire.StreamFrame{StreamID: 0, Fin: true, Offset: 9183, Data length: 1057, Offset + Data length: 10240} 2025/09/12 03:06:25 client Setting ACK timer to max ack delay: 25ms 2025/09/12 03:06:25 client Closing connection with error: Application error 0x0 (local) 2025/09/12 03:06:25 client -> Sending packet 9 (30 bytes) for connection ea7a91ec3bb4adcbc4279e1e46f648228e33, 1-RTT (ECN: Not-ECT) 2025/09/12 03:06:25 client Short Header{DestConnectionID: 037549780331ed33, PacketNumber: 9, PacketNumberLen: 2, KeyPhase: 0} 2025/09/12 03:06:25 client -> &wire.ConnectionCloseFrame{IsApplicationError:true, ErrorCode:0x0, FrameType:0x0, ReasonPhrase:""} 2025/09/12 03:06:25 Replacing connection for connection IDs [(empty)] with a closed connection. 2025/09/12 03:06:25 client Connection ea7a91ec3bb4adcbc4279e1e46f648228e33 closed.