[    3.144731] Bluetooth: Core ver 2.16
[    3.144753] Bluetooth: HCI device and connection manager initialized
[    3.144755] Bluetooth: HCI socket layer initialized
[    3.144756] Bluetooth: L2CAP socket layer initialized
[    3.144760] Bluetooth: SCO socket layer initialized
[    3.225367] Bluetooth: can't load firmware, may not work correctly
[    3.936890] Bluetooth: RFCOMM TTY layer initialized
[    3.936993] Bluetooth: RFCOMM socket layer initialized
[    3.936995] Bluetooth: RFCOMM ver 1.11
[ 2129.085333] Bluetooth: can't load firmware, may not work correctly
[ 2141.094771] Bluetooth: can't load firmware, may not work correctly