Bluetooth: hci0: command 0x0406 tx timeout
Bluetooth: hci6: command 0x0406 tx timeout
Bluetooth: hci5: command 0x0406 tx timeout
Bluetooth: hci4: command 0x0406 tx timeout
Bluetooth: hci7: command 0x0406 tx timeout
unregister_netdevice: waiting for tun0 to become free. Usage count = 14