2024-08-06 11:31:59 [17508] ERROR D:\a\nanomq\nanomq\nng\src\sp\transport\mqtt\broker_tcp.c:327 tcptran_pipe_nego_cb: Illegal CONNECT Packet type 47
2024-08-06 11:32:00 [17508] ERROR D:\a\nanomq\nanomq\nng\src\sp\transport\mqtt\broker_tcp.c:327 tcptran_pipe_nego_cb: Illegal CONNECT Packet type 16
2024-08-06 11:32:13 [17508] WARN D:\a\nanomq\nanomq\nng\src\sp\transport\mqtt\broker_tcp.c:302 tcptran_pipe_nego_cb: nego aio error: Unknown error
2024-08-06 11:32:13 [17508] ERROR D:\a\nanomq\nanomq\nng\src\sp\transport\mqtt\broker_tcp.c:327 tcptran_pipe_nego_cb: Illegal CONNECT Packet type 0
2024-08-06 11:32:14 [17508] ERROR D:\a\nanomq\nanomq\nng\src\sp\transport\mqtt\broker_tcp.c:327 tcptran_pipe_nego_cb: Illegal CONNECT Packet type 12
2024-08-06 11:32:14 [17508] ERROR D:\a\nanomq\nanomq\nng\src\sp\transport\mqtt\broker_tcp.c:327 tcptran_pipe_nego_cb: Illegal CONNECT Packet type 0
2024-08-06 11:32:22 [17508] ERROR D:\a\nanomq\nanomq\nng\src\sp\transport\mqtt\broker_tcp.c:327 tcptran_pipe_nego_cb: Illegal CONNECT Packet type 3
2024-08-06 11:32:49 [17508] ERROR D:\a\nanomq\nanomq\nng\src\sp\transport\mqtt\broker_tcp.c:327 tcptran_pipe_nego_cb: Illegal CONNECT Packet type 6
2024-08-06 11:32:49 [17508] ERROR D:\a\nanomq\nanomq\nng\src\sp\transport\mqtt\broker_tcp.c:327 tcptran_pipe_nego_cb: Illegal CONNECT Packet type 0
这是收到了非法连接报文。所以主动断开了。