2022-06-09 14:41:18,164 [INFO] {1390910} koji.build.buildroot:555 Running mock as kojibuilder
INFO: mock.py version 2.16 starting (python version = 3.6.8, NVR = mock-2.16-1.el8)...
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: 2.16
INFO: Mock Version: 2.16
Start(bootstrap): dnf install
ERROR: Command failed: 
 # /usr/bin/dnf --installroot /var/lib/mock/dist-oc8-gcc-toolset-9-build-6350-904-bootstrap/root/ --setopt=deltarpm=False --allowerasing --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, versionlock
No match for argument: dnf
No match for argument: dnf-plugins-core
Error: Unable to find a match: dnf dnf-plugins-core