copr's ppc64le builders fail to start

Hi all, for some reason (not yet known, tracked in fedora infra [1]) ppc64le builders fail to spawn, and what is even worse this issue also affects x86 builders. So because of this, we temporarily disabled ppc64le architecture in copr. It means that the ppc64le builds will be processed later once we enable it again; if you can't afford waiting (hours or maybe days) please temporarily disable ppc64le chroots in your copr project(s). [1] https://pagure.io/fedora-infrastructure/issue/7868 Sorry for inconvenience, Pavel