NetworkManager: Connection activation failed: (5) IP configuration could not be reserved (no available address, timeout, etc.)

I've tried to connect to a TP Link extender via Network Manager on Ubuntu 22.04.5 LTS but 4h later I still hit the same wall. It connects for a while initially and then disconnects completely. Switching between dhclient and dhcpcd didn't help. I struggle to understand what's the real cause of it. Other devices can connect with no problems. Connecting via Network Manager gui results with: Wireless Interface wlp5s0 IP configuration was unavailable nmcli device wifi connect 'NOS-B926_EXT' password ' ' Error: Connection activation failed: (5) IP configuration could not be reserved (no available ad

Question by krokodyl on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.