Note: this problem will also crop up when one tries to delete an encrypted volume created using cinder.keymgr.conf_key_mgr (that volume will have an invalid key_id of `00000000-0000-0000-0000-000000000000`).
Note: this problem will also crop up when one tries to delete an encrypted volume created using cinder. keymgr. conf_key_ mgr (that volume will have an invalid key_id of `00000000- 0000-0000- 0000-0000000000 00`).