Probably has something to do with these:
zfs allow -s @homedir create,mount,readonly,snapshot testnas/home zfs allow -s @homeset clone,create,destroy,mount,promote,readonly,rename,snapshot testnas/home zfs allow -l cyberleo @homedir testnas/home/cyberleo zfs allow -d cyberleo @homeset testnas/home/cyberleo zfs allow -c cyberleo @homeset testnas/home/cyberleo