app: Fast advertising.<\r><\r><\n> app: Advertising started<\r><\r><\n> peer_manager_handler: Peer data updated in flash: peer_id: 0, data_id: Peer rank, action: Update, no change<\r><\r><\n> app: BLE_NUS_EVT_COMM_STARTED, start sending data<\r><\r><\n> app: Data Sent Result = 8<\r><\r><\n> app: BLE_GAP_EVT_CONNECTED: min_int: 6 max_int: 6, latency: 0, timeout: 400<\r><\r><\n> app: Data Sent Result = 8<\r><\r><\n> app: Data Sent Result = 8<\r><\r><\n> peer_manager_handler: Connection secured: role: Peripheral, conn_handle: 0, procedure: Encryption<\r><\r><\n> peer_manager_handler: Peer data updated in flash: peer_id: 0, data_id: Peer rank, action: Update, no change<\r><\r><\n> app: Data Sent Result = 8<\r><\r><\n> app: GATT ATT MTU on connection 0x0 changed to 247.<\r><\r><\n> app: Data Sent Result = 0<\r><\r><\n> app: BLE_NUS_EVT_TX_RDY<\r><\r><\n> app: Data Sent Result = 0<\r><\r><\n> app: BLE_NUS_EVT_TX_RDY<\r><\r><\n> app: Data Sent Result = 0<\r><\r><\n>