Description of problem: Risk Factor: high Title: DNF execution failed with non zero exit code. STDOUT: Last metadata expiration check: 0:01:36 ago on Thu Mar 16 10:59:17 2023. STDERR: Failed to create directory /var/lib/leapp/el8userspace//sys/fs/selinux: No such file or directory Failed to create directory /var/lib/leapp/el8userspace//sys/fs/selinux: No such file or directory No matches found for the following disable plugin patterns: subscription-manager Warning: Packages marked by Leapp for install not found in repositories metadata: python3-nss python3-custodia ldns-utils ivy-local python3-javapackages Transaction check: Problem: package gnome-photos-40.0-4.an8.x86_64 requires libgegl-0.4.so.0()(64bit), but none of the providers can be installed - package gnome-photos-40.0-4.an8.x86_64 requires gegl04(x86-64) >= 0.4.0, but none of the providers can be installed - conflicting requests - nothing provides libraw.so.19()(64bit) needed by gegl04-0.4.4-7.0.1.an8.x86_64 Summary: Key: 462f20d7417708a5429c25a2b58d946e9b775ca5 ExternalLink: [Anolis OS Migration System(AOMS) Knowledge Base, visit it and query the content by the given Key] https://www.yuque.com/anolis-docs/kbase/gk90ag Version-Release number of selected component (if applicable): Switch from CentOS Linux release 7.3.1611 (Core) to Anolis OS 8.8 VMware Virtual Machine Steps to Reproduce: 1.wget https://mirrors.openanolis.cn/anolis/migration/anolis-migration.repo -O /etc/yum.repos.d/anolis-migration.repo 2.yum -y install epel-release 3.yum -y install python-pip 4.yum remove -y python-requests python-urllib3; /usr/bin/pip2 uninstall requests urllib3 -y 2>/dev/null || echo "not installed" 5.yum -y install leapp 6.leapp answer --section remove_pam_pkcs11_module_check.confirm=True 7.leapp answer --section update_grub2-tools.confirm=True 8.yum -y update grub2 9.sed -i 's/#PermitRootLogin yes/PermitRootLogin yes/' /etc/ssh/sshd_config 10.leapp preupgrade --no-rhsm Actual results: Error: leapp.workflow.TargetTransactionCheck.dnf_transaction_check: DNF execution failed Failed to create directory /var/lib/leapp/el8userspace//sys/fs/selinux: No such file or directory Expected results: leapp preupgrade is right