INFO buildroot.py:667:  Mock Version: 6.3
DEBUG file_util.py:18:  ensuring that dir exists: /var/lib/mock/dlrn-centos10-master-uc-x86_64-5/root
DEBUG file_util.py:21:  created dir: /var/lib/mock/dlrn-centos10-master-uc-x86_64-5/root
DEBUG file_util.py:18:  ensuring that dir exists: /var/lib/mock/dlrn-centos10-master-uc-x86_64-5-bootstrap
DEBUG package_manager.py:63:  searching for 'dnf4' package manager or alternatives
INFO buildroot.py:181:  Package manager dnf4 detected and used (fallback)
DEBUG file_util.py:18:  ensuring that dir exists: /var/lib/mock/dlrn-centos10-master-uc-x86_64-5
DEBUG util.py:183:  kill orphans in chroot /var/lib/mock/dlrn-centos10-master-uc-x86_64-5/root