Не понимаю iwlwifi

$ dmesg | grep iwlwifi
[    0.468712] iwlwifi 0000:00:14.3: enabling device (0000 -> 0002)
[    0.469712] iwlwifi 0000:00:14.3: Direct firmware load for iwlwifi-QuZ-a0-jf-b0-50.ucode failed with error -2
[    0.469721] iwlwifi 0000:00:14.3: Direct firmware load for iwlwifi-QuZ-a0-jf-b0-49.ucode failed with error -2
[    0.469727] iwlwifi 0000:00:14.3: Direct firmware load for iwlwifi-QuZ-a0-jf-b0-48.ucode failed with error -2
[    0.469731] iwlwifi 0000:00:14.3: Direct firmware load for iwlwifi-QuZ-a0-jf-b0-47.ucode failed with error -2
[    0.469736] iwlwifi 0000:00:14.3: Direct firmware load for iwlwifi-QuZ-a0-jf-b0-46.ucode failed with error -2
[    0.469741] iwlwifi 0000:00:14.3: Direct firmware load for iwlwifi-QuZ-a0-jf-b0-45.ucode failed with error -2
[    0.469747] iwlwifi 0000:00:14.3: Direct firmware load for iwlwifi-QuZ-a0-jf-b0-44.ucode failed with error -2
[    0.469753] iwlwifi 0000:00:14.3: Direct firmware load for iwlwifi-QuZ-a0-jf-b0-43.ucode failed with error -2
[    0.469758] iwlwifi 0000:00:14.3: Direct firmware load for iwlwifi-QuZ-a0-jf-b0-42.ucode failed with error -2
[    0.469762] iwlwifi 0000:00:14.3: Direct firmware load for iwlwifi-QuZ-a0-jf-b0-41.ucode failed with error -2
[    0.469767] iwlwifi 0000:00:14.3: Direct firmware load for iwlwifi-QuZ-a0-jf-b0-40.ucode failed with error -2
[    0.469772] iwlwifi 0000:00:14.3: Direct firmware load for iwlwifi-QuZ-a0-jf-b0-39.ucode failed with error -2
[    0.469774] iwlwifi 0000:00:14.3: no suitable firmware found!
[    0.469776] iwlwifi 0000:00:14.3: minimum version required: iwlwifi-QuZ-a0-jf-b0-39
[    0.469777] iwlwifi 0000:00:14.3: maximum version supported: iwlwifi-QuZ-a0-jf-b0-50
[    0.469779] iwlwifi 0000:00:14.3: check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git

$ ls -l /lib/firmware/ | grep iwlwifi-QuZ-a0-jf-b0
-rw-r--r--  1 root root 1052608 июл  8 22:13 iwlwifi-QuZ-a0-jf-b0-48.ucode
-rw-r--r--  1 root root 1053004 июл  8 22:13 iwlwifi-QuZ-a0-jf-b0-50.ucode
-rw-r--r--  1 root root 1147104 июл  8 22:13 iwlwifi-QuZ-a0-jf-b0-53.ucode
-rw-r--r--  1 root root 1163668 июл  8 22:13 iwlwifi-QuZ-a0-jf-b0-55.ucode