Hi, i upgraded oVirt node to 4.2.3.1 version. After upgrade I can not migrate VM or run VM on the node. After viewing logs file i find several errors. One of them: 2018-06-07 15:52:20,536+07 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (ForkJoinPool-1-worker-3) [] EVENT_ID: VM_DOWN_ERROR(119), VM ansible.example.com is down with error. Exit message: internal error: Process exited prior to exec: libvirt: Lock Driver error : Failed to ope n socket to sanlock daemon: Permission denied. I run setenforce 0 and VM can running on the node. audit2allow -a #============= setfiles_t ============== #!!!! WARNING: 'bin_t' is a base type. allow setfiles_t bin_t:file entrypoint; allow setfiles_t self:capability sys_chroot; #============= svirt_t ============== #!!!! The file '/rhev/data-center/mnt/10.10.10.100:_var_nfs-ovirt-iso-share_files/dbf9ff5d-2cd4-408e-8a9d-08d39fa9a58a/images/11111111-1111-1111-1111-111111111111/CentOS-7-x86_64-Minimal-1708.iso' is mislabeled on your system. #!!!! Fix with $ restorecon -R -v /rhev/data-center/mnt/10.10.10.100:_var_nfs-ovirt-iso-share_files/dbf9ff5d-2cd4-408e-8a9d-08d39fa9a58a/images/11111111-1111-1111-1111-111111111111/CentOS-7-x86_64-Minimal-1708.iso #!!!! This avc can be allowed using the boolean 'virt_use_nfs' allow svirt_t nfs_t:file open; #!!!! The file '/run/sanlock/sanlock.sock' is mislabeled on your system. #!!!! Fix with $ restorecon -R -v /run/sanlock/sanlock.sock #!!!! This avc can be allowed using the boolean 'virt_use_sanlock' allow svirt_t sanlock_t:unix_stream_socket connectto; I run restorecon -R -v /run/sanlock/sanlock.sock, but it did not help