no-subscription repository

I feel I've tried everything, and am honestly out of ideas; for some reason I simply can't access the apt repositories, e.g. "deb http://download.proxmox.com/debian/pbs-client bookworm main". I'm able to ping the repos, e.g.: root@proxmox:~# ping6 download.proxmox.com PING...

Hi, I upgraded PVE from version 7.4.x to 8.2.2 in a test environment. After the installation the pve7to8 gave a warning: unexpected running and installed kernel '6.8.4-3-pve'. I think this version of kernel should be running. Why does this warning come up? I realized later that the file...