```(~) >>> dmesg | grep -i blue
[    6.210927] Bluetooth: Core ver 2.22
[    6.210945] NET: Registered PF_BLUETOOTH protocol family
[    6.210946] Bluetooth: HCI device and connection manager initialized
[    6.210950] Bluetooth: HCI socket layer initialized
[    6.210954] Bluetooth: L2CAP socket layer initialized
[    6.210960] Bluetooth: SCO socket layer initialized
[    6.287642] Bluetooth: hci0: Bootloader revision 0.3 build 0 week 24 2017
[    6.289645] Bluetooth: hci0: Device revision is 1
[    6.289648] Bluetooth: hci0: Secure boot is enabled
[    6.289649] Bluetooth: hci0: OTP lock is enabled
[    6.289651] Bluetooth: hci0: API lock is enabled
[    6.289652] Bluetooth: hci0: Debug lock is disabled
[    6.289653] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
[    6.321057] Bluetooth: hci0: Found device firmware: intel/ibt-20-1-3.sfi
[    6.321071] Bluetooth: hci0: Boot Address: 0x24800
[    6.321073] Bluetooth: hci0: Firmware Version: 255-255.255
[    7.848632] Bluetooth: hci0: Waiting for firmware download to complete
[    7.849623] Bluetooth: hci0: Firmware loaded in 1492737 usecs
[    7.849666] Bluetooth: hci0: Waiting for device to boot
[    7.864634] Bluetooth: hci0: Device booted in 14636 usecs
[    7.864641] Bluetooth: hci0: Malformed MSFT vendor event: 0x02
[    7.865812] Bluetooth: hci0: Found Intel DDC parameters: intel/ibt-20-1-3.ddc
[    7.871644] Bluetooth: hci0: Applying Intel DDC parameters completed
[    7.874642] Bluetooth: hci0: Firmware revision 0.3 build 249 week 27 2023
[    7.880651] Bluetooth: hci0: HCI LE Coded PHY feature bit is set, but its usage is not supported.
[    8.729325] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[    8.729329] Bluetooth: BNEP filters: protocol multicast
[    8.729332] Bluetooth: BNEP socket layer initialized
[    8.731510] Bluetooth: MGMT ver 1.22
[   12.338116] Bluetooth: RFCOMM TTY layer initialized
[   12.338125] Bluetooth: RFCOMM socket layer initialized
[   12.338128] Bluetooth: RFCOMM ver 1.11```