Yes, It is
ll /lib/firmware/ | grep iwl
-rw-r--r--  1 root root 2677620 Jan  5 23:24 iwlwifi-9000-pu-b0-jf-b0-34.ucode

Apparently after 3/4 days it's working again, I've just updated one
package (libc) from apt-get update since then and now it works.. now my
dmesg log looks like

 dmesg |grep iwl
[    3.844518] iwlwifi 0000:00:14.3: enabling device (0000 -> 0002)
[    3.847291] iwlwifi 0000:00:14.3: Direct firmware load for 
iwlwifi-9000-pu-b0-jf-b0-46.ucode failed with error -2
[    3.847375] iwlwifi 0000:00:14.3: Direct firmware load for 
iwlwifi-9000-pu-b0-jf-b0-45.ucode failed with error -2
[    3.847487] iwlwifi 0000:00:14.3: Direct firmware load for 
iwlwifi-9000-pu-b0-jf-b0-44.ucode failed with error -2
[    3.847494] iwlwifi 0000:00:14.3: Direct firmware load for 
iwlwifi-9000-pu-b0-jf-b0-43.ucode failed with error -2
[    3.847502] iwlwifi 0000:00:14.3: Direct firmware load for 
iwlwifi-9000-pu-b0-jf-b0-42.ucode failed with error -2
[    3.847704] iwlwifi 0000:00:14.3: Direct firmware load for 
iwlwifi-9000-pu-b0-jf-b0-41.ucode failed with error -2
[    3.847718] iwlwifi 0000:00:14.3: Direct firmware load for 
iwlwifi-9000-pu-b0-jf-b0-40.ucode failed with error -2
[    3.847730] iwlwifi 0000:00:14.3: Direct firmware load for 
iwlwifi-9000-pu-b0-jf-b0-39.ucode failed with error -2
[    3.847741] iwlwifi 0000:00:14.3: Direct firmware load for 
iwlwifi-9000-pu-b0-jf-b0-38.ucode failed with error -2
[    3.847754] iwlwifi 0000:00:14.3: Direct firmware load for 
iwlwifi-9000-pu-b0-jf-b0-37.ucode failed with error -2
[    3.847768] iwlwifi 0000:00:14.3: Direct firmware load for 
iwlwifi-9000-pu-b0-jf-b0-36.ucode failed with error -2
[    3.847788] iwlwifi 0000:00:14.3: Direct firmware load for 
iwlwifi-9000-pu-b0-jf-b0-35.ucode failed with error -2
[    3.852422] iwlwifi 0000:00:14.3: loaded firmware version 34.0.0 op_mode 
iwlmvm
[    3.879331] iwlwifi 0000:00:14.3: Detected Killer (R) Wireless-AC 1550i 
Wireless Network Adapter (9560NGW), REV=0x318
[    3.938249] iwlwifi 0000:00:14.3: base HW address: 0c:54:15:43:cc:72
[    4.004536] ieee80211 phy0: Selected rate control algorithm 'iwl-mvm-rs'
[    4.186001] iwlwifi 0000:00:14.3 wlo1: renamed from wlan0
[    5.746134] iwlwifi 0000:00:14.3: BIOS contains WGDS but no WRDS

This is kind of weird...

I noticed weeks ago, that from time to time it started to fail, probably
due to the heat?

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https://bugs.launchpad.net/bugs/1858366

Title:
  My wireless card crashes on 5.4.8-050408-generic kernel installed via
  Ukuu

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