> When you’re on tty1 (the installer), you have to hit Ctrl-Alt-F12
> etc. (note “Ctrl”).  Is it what you tried?

...no, I forgot about that! Well at least that makes my job easier. I
attached the relevant section of the messages as an attachment, but
the key line seems to be:

Apr 13 17:18:52 localhost connman-vpnd[446]: Can't load 
/gnu/store/vclzrvbxac8ipc8g1ncq5gjjj8gdvxw3-connman-1.38/lib/connman/plugins-vpn/wireguard.so: 
/gnu/store/vclzrvbxac8ipc8g1ncq5gjjj8gdvxw3-connman-1.38/lib/connman/plugins-vpn/wireguard.so: 
undefined symbol: __vpn_ipconfig_foreach

> Thanks for your report,
> Ludo’.

No problem!
-Robert