I've used lxc-clone command to clone my lvm-based container (test_lvm was copied to create u33). Container works fine, but the output of sudo lvs confuses me:
  LV                             VG         Attr      LSize Pool Origin Data%  Move Log Copy%  Convert
  test_lvm                       containers -wi-a---- 1.00g
  u33                            containers -wi-ao--- 1.00g
What is the o attribute? Found nothing on the documentation.