dmesg | grep -i blue [ 26.212032] Bluetooth: Core ver 2.20 [ 26.212047] Bluetooth: HCI device and connection manager initialized [ 26.212050] Bluetooth: HCI socket layer initialized [ 26.212052] Bluetooth: L2CAP socket layer initialized [ 26.212056] Bluetooth: SCO socket layer initialized [ 26.489295] Bluetooth: RFCOMM TTY layer initialized [ 26.489302] Bluetooth: RFCOMM socket layer initialized [ 26.489306] Bluetooth: RFCOMM ver 1.11 [ 26.526618] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 26.526622] Bluetooth: BNEP filters: protocol multicast [ 26.526626] Bluetooth: BNEP socket layer initialized
dmesg | grep -i blue
[ 26.212032] Bluetooth: Core ver 2.20
[ 26.212047] Bluetooth: HCI device and connection manager initialized
[ 26.212050] Bluetooth: HCI socket layer initialized
[ 26.212052] Bluetooth: L2CAP socket layer initialized
[ 26.212056] Bluetooth: SCO socket layer initialized
[ 26.489295] Bluetooth: RFCOMM TTY layer initialized
[ 26.489302] Bluetooth: RFCOMM socket layer initialized
[ 26.489306] Bluetooth: RFCOMM ver 1.11
[ 26.526618] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 26.526622] Bluetooth: BNEP filters: protocol multicast
[ 26.526626] Bluetooth: BNEP socket layer initialized