root@beaglebone:~# systemctl status bluetooth
● bluetooth.service - Bluetooth service
   Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
   Active: active (running) since Wed 2019-06-19 19:15:05 UTC; 21min ago
     Docs: man:bluetoothd(8)
 Main PID: 2377 (bluetoothd)
   Status: "Running"
    Tasks: 1 (limit: 4915)
   CGroup: /system.slice/bluetooth.service
           └─2377 /usr/lib/bluetooth/bluetoothd

Jun 19 19:15:05 beaglebone systemd[1]: Starting Bluetooth service...
Jun 19 19:15:05 beaglebone bluetoothd[2377]: Bluetooth daemon 5.43
Jun 19 19:15:05 beaglebone systemd[1]: Started Bluetooth service.
Jun 19 19:15:05 beaglebone bluetoothd[2377]: Starting SDP server
Jun 19 19:15:05 beaglebone bluetoothd[2377]: Bluetooth management interface 1.14 initialized
Jun 19 19:15:05 beaglebone bluetoothd[2377]: Failed to obtain handles for "Service Changed" characteristic
Jun 19 19:15:05 beaglebone bluetoothd[2377]: Sap driver initialization failed.
Jun 19 19:15:05 beaglebone bluetoothd[2377]: sap-server: Operation not permitted (1)
Jun 19 19:15:42 beaglebone bluetoothd[2377]: a2dp-source profile connect failed for 80:6C:1B:5A:74:EC: Protocol not available
Jun 19 19:32:43 beaglebone bluetoothd[2377]: a2dp-source profile connect failed for 80:6C:1B:5A:74:EC: Protocol not available