4. BT_CONNECTED -> BT_CONFIG by L2CAP_CONN_RSP btmon log: Bluetooth monitor ver 5.64 = Note: Linux version 6.1.0-rc2 (x86_64) 0.240003 = Note: Bluetooth subsystem version 2.22 0.240035 (...) > ACL Data RX: Handle 200 flags 0x00 dlen 1033 #32 [hci0] 12.003575 invalid packet size (12 != 1033) 08 00 01 00 02 01 04 00 01 10 ff ff ............ @ MGMT Event: Device Connected (0x000b) plen 13 {0x0001} [hci0] 12.024700 BR/EDR Address: 10:AA:AA:AA:AA:AA (OUI 10-AA-AA) Flags: 0x00000000 Data length: 0 @ MGMT Event: Device Connected (0x000b) plen 13 {0x0002} [hci0] 12.024700 BR/EDR Address: 10:AA:AA:AA:AA:AA (OUI 10-AA-AA) Flags: 0x00000000 Data length: 0 = bluetoothd: Failed to obtain handles for "Service Changed" char.. 12.049885 > ACL Data RX: Handle 200 flags 0x00 dlen 1804 #33 [hci0] 12.003613 invalid packet size (15 != 1804) 0b 00 01 00 04 01 07 00 40 00 00 00 05 01 00 ........@...... > ACL Data RX: Handle 200 flags 0x00 dlen 2061 #34 [hci0] 12.004416 invalid packet size (16 != 2061) 0c 00 01 00 05 01 08 00 40 00 00 00 01 00 ff 80 ........@....... > ACL Data RX: Handle 200 flags 0x00 dlen 2061 #35 [hci0] 12.004968 invalid packet size (16 != 2061) 0c 00 01 00 03 01 08 00 00 00 00 00 00 00 00 00 ................