2022-01-14 20:00:37,391 [INFO] {4100895} koji.build.buildroot:541 Running mock as kojibuilder
ERROR: Option --old-chroot has been deprecated. Use --isolation=simple instead.
INFO: mock.py version 2.8 starting (python version = 3.6.8, NVR = mock-2.8-1.el8)...
Start(bootstrap): init plugins
INFO: selinux enabled
Finish(bootstrap): init plugins
Start: init plugins
INFO: selinux enabled
Finish: init plugins
INFO: Signal handler active
Start: run
Start: clean chroot
Finish: clean chroot
Start(bootstrap): chroot init
INFO: calling preinit hooks
INFO: enabled HW Info plugin
Mock Version: 2.8
INFO: Mock Version: 2.8
Start(bootstrap): dnf install
ERROR: Command failed: 
 # /usr/bin/dnf --installroot /var/lib/mock/dist-an8-build-65875-37228-bootstrap/root/ --setopt=deltarpm=False --allowerasing --disableplugin=local --disableplugin=spacewalk install dnf dnf-plugins-core --setopt=tsflags=nocontexts
Unable to detect release version (use '--releasever' to specify release version)
No matches found for the following disable plugin patterns: local
Errors during downloading metadata for repository 'build':
  - Curl error (56): Failure when receiving data from the peer for http://8.131.87.1/kojifiles/repos/dist-an8-build/37228/aarch64/repodata/5a3375d5a377795988f92846020c771634d00ebc3e22b34ce43a20f87aebab79-filelists.xml.gz [Recv failure: Connection reset by peer]
Error: Failed to download metadata for repo 'build': Yum repo downloading error: Downloading error(s): repodata/5a3375d5a377795988f92846020c771634d00ebc3e22b34ce43a20f87aebab79-filelists.xml.gz - Cannot download, all mirrors were already tried without success