2022-09-07 17:12:07,793 [INFO] {1505675} koji.build.buildroot:551 Running mock as kojibuilder
INFO: mock.py version 2.15 starting (python version = 3.9.7, NVR = mock-2.15-1.fc33)...
Start(bootstrap): init plugins
INFO: selinux disabled
Finish(bootstrap): init plugins
Start: init plugins
INFO: selinux disabled
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: 2.15
INFO: Mock Version: 2.15
Start(bootstrap): dnf install
ERROR: Command failed: 
 # /usr/bin/dnf --installroot /var/lib/mock/f37-build-635286-69765-bootstrap/root/ --setopt=install_weak_deps=0 --disableplugin=local --disableplugin=spacewalk --disableplugin=versionlock install dnf dnf-plugins-core
Unable to detect release version (use '--releasever' to specify release version)
No matches found for the following disable plugin patterns: local, spacewalk, versionlock
Errors during downloading metadata for repository 'build':
  - Curl error (6): Couldn't resolve host name for http://fedora.riscv.rocks/kojifiles/repos/f37-build/69765/riscv64/repodata/repomd.xml [Could not resolve host: fedora.riscv.rocks]
Error: Failed to download metadata for repo 'build': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried