[    7.137608] Bluetooth: hci0: qca_generate_nvm_name: nvm name is qca/hpnv21.b8c
[    7.137616] Bluetooth: hci0: QCA Downloading qca/hpnv21.b8c
[    7.137663] Bluetooth: hci0: QCA Failed to request file: qca/hpnv21.b8c (-2)
[    7.137665] Bluetooth: hci0: QCA Failed to download NVM (-2)