Log excerpt: Warning: Permanently added '2620:52:3:1:dead:beef:cafe:c19b' (ED25519) to the list of known hosts.

You can reproduce this build on your 
Comment: Requested packages are not available.

Log excerpt: rning: Permanently added '2620:52:3:1:dea
Comment: Package manager can not satisfy requirements.

Log excerpt: d.
WARNING: DNF command failed, retrying, attempt #3, sleeping 1
Comment: Third attempt of dependency installation initiated.