2026/04/24 00:04:27 Starting iosmux-backend...
2026/04/24 00:04:27 iosmux-backend listening on [::1]:34719
2026/04/24 00:04:40 accepted: remote=[::1]:49492 session=1
2026/04/24 00:04:40 session=1 4-tuple local=[::1]:34719 remote=[::1]:49492
2026/04/24 00:04:40 session=1 server handshake sent (SETTINGS + WINDOW_UPDATE)
2026/04/24 00:04:40 session=1 frame type=SETTINGS stream=0 len=12 flags=0x00
2026/04/24 00:04:40 session=1 sent SETTINGS-ACK
2026/04/24 00:04:40 session=1 frame type=WINDOW_UPDATE stream=0 len=4 flags=0x00
2026/04/24 00:04:40 session=1 frame type=HEADERS stream=1 len=0 flags=0x04
2026/04/24 00:04:40 session=1 dispatcher: emit #3 HEADERS(s1, len=0)
2026/04/24 00:04:40 session=1 frame type=SETTINGS stream=0 len=0 flags=0x01
2026/04/24 00:04:40 session=1 recv SETTINGS-ACK
2026/04/24 00:04:40 session=1 frame type=DATA stream=1 len=44 flags=0x00
2026/04/24 00:04:40 session=1 verbose recv DATA(s1, 44 B): flags=0x00000001 = ALWAYS_SET msgid=0
2026/04/24 00:04:40 session=1 verbose recv   <empty dict>
2026/04/24 00:04:40 session=1 verbose send DATA(s1, 44 B): flags=0x00000001 = ALWAYS_SET msgid=0
2026/04/24 00:04:40 session=1 verbose send   <empty dict>
2026/04/24 00:04:40 session=1 dispatcher: emit #4 DATA(s1, 44 B empty-dict)
2026/04/24 00:04:40 session=1 frame type=HEADERS stream=3 len=0 flags=0x04
2026/04/24 00:04:40 session=1 dispatcher: emit #6 HEADERS(s3, len=0)
2026/04/24 00:04:40 session=1 frame type=DATA stream=1 len=24 flags=0x00
2026/04/24 00:04:40 session=1 verbose recv DATA(s1, 24 B): flags=0x00000201 = ALWAYS_SET|unnamed(0x00000200) msgid=0
2026/04/24 00:04:40 session=1 verbose recv   [no payload]
2026/04/24 00:04:40 session=1 verbose send DATA(s1, 24 B): flags=0x00000201 = ALWAYS_SET|unnamed(0x00000200) msgid=0
2026/04/24 00:04:40 session=1 verbose send   [no payload]
2026/04/24 00:04:40 session=1 dispatcher: emit #5 DATA(s1, 24 B sync)
2026/04/24 00:04:40 session=1 frame type=DATA stream=3 len=24 flags=0x00
2026/04/24 00:04:40 session=1 verbose recv DATA(s3, 24 B): flags=0x00400001 = ALWAYS_SET|INIT_HANDSHAKE msgid=0
2026/04/24 00:04:40 session=1 verbose recv   [no payload]
2026/04/24 00:04:40 session=1 verbose send DATA(s3, 24 B): flags=0x00400001 = ALWAYS_SET|INIT_HANDSHAKE msgid=0
2026/04/24 00:04:40 session=1 verbose send   [no payload]
2026/04/24 00:04:40 session=1 dispatcher: emit #7 DATA(s3, 24 B INIT_HANDSHAKE mirror)
2026/04/24 00:04:40 session=1 verbose send   UUID (patched) => d1913a25-be84-4ac7-9d3f-597a9070fcfe
2026/04/24 00:04:40 session=1 verbose send DATA(s1, 14124 B): flags=0x00000101 = ALWAYS_SET|DATA_PRESENT msgid=2
2026/04/24 00:04:40 session=1 verbose send   MessageType => string "Handshake"
2026/04/24 00:04:40 session=1 verbose send   MessagingProtocolVersion => uint64 7
2026/04/24 00:04:40 session=1 verbose send   Services => <dict 62 entries>
2026/04/24 00:04:40 session=1 verbose send   Properties => <dict 46 entries>
2026/04/24 00:04:40 session=1 verbose send   UUID => <uuid d1913a25be844ac79d3f597a9070fcfe>
2026/04/24 00:04:40 session=1 dispatcher: emit #8 DATA(s1, 14124 B big Handshake)
2026/04/24 00:04:43 session=1 read loop: peer closed (EOF)