Modified HN.
nano /etc/fstab
/dev/pve/data /var/lib/vz ext3 defaults,acl,user_xattr 0 1
reboot
verified
mount
/dev/mapper/pve-data on /var/lib/vz type ext3 (rw,relatime,errors=continue,user_xattr,acl,barrier=0,data=ordered)
But inside of the container ACL is not enabled.
mount
/dev/simfs on /...