Bluetooth: hci4: command 0x0c1a tx timeout Bluetooth: hci5: command 0x0c1a tx timeout Bluetooth: hci3: command 0x0c1a tx timeout Bluetooth: hci6: command 0x0c1a tx timeout Bluetooth: hci1: command 0x0c1a tx timeout unregister_netdevice: waiting for wpan2 to become free. Usage count = 5