| QA output created by 198 | 
 | == create base == | 
 | Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=16777216 | 
 |  | 
 | == writing whole image base == | 
 | wrote 16777216/16777216 bytes at offset 0 | 
 | 16 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 | == create overlay == | 
 | Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=16777216 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=IMGFMT | 
 |  | 
 | == writing whole image layer == | 
 | wrote 16777216/16777216 bytes at offset 0 | 
 | 16 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 | == verify pattern base == | 
 | read 16777216/16777216 bytes at offset 0 | 
 | 16 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 | == verify pattern layer == | 
 | read 16777216/16777216 bytes at offset 0 | 
 | 16 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 | == committing layer into base == | 
 | Image committed. | 
 |  | 
 | == verify pattern base == | 
 | read 16777216/16777216 bytes at offset 0 | 
 | 16 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 | == verify pattern layer == | 
 | read 16777216/16777216 bytes at offset 0 | 
 | 16 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | 
 |  | 
 | == checking image base == | 
 | image: json:{ /* filtered */ } | 
 | file format: IMGFMT | 
 | virtual size: 16 MiB (16777216 bytes) | 
 | Format specific information: | 
 |     compression type: COMPRESSION_TYPE | 
 |     encrypt: | 
 |         ivgen alg: plain64 | 
 |         detached header: false | 
 |         hash alg: sha256 | 
 |         cipher alg: aes-256 | 
 |         uuid: 00000000-0000-0000-0000-000000000000 | 
 |         format: luks | 
 |         cipher mode: xts | 
 |         slots: | 
 |             [0]: | 
 |                 active: true | 
 |                 iters: 1024 | 
 |                 key offset: 4096 | 
 |                 stripes: 4000 | 
 |             [1]: | 
 |                 active: false | 
 |                 key offset: 262144 | 
 |             [2]: | 
 |                 active: false | 
 |                 key offset: 520192 | 
 |             [3]: | 
 |                 active: false | 
 |                 key offset: 778240 | 
 |             [4]: | 
 |                 active: false | 
 |                 key offset: 1036288 | 
 |             [5]: | 
 |                 active: false | 
 |                 key offset: 1294336 | 
 |             [6]: | 
 |                 active: false | 
 |                 key offset: 1552384 | 
 |             [7]: | 
 |                 active: false | 
 |                 key offset: 1810432 | 
 |         payload offset: 2068480 | 
 |         master key iters: 1024 | 
 |  | 
 | == checking image layer == | 
 | image: json:{ /* filtered */ } | 
 | file format: IMGFMT | 
 | virtual size: 16 MiB (16777216 bytes) | 
 | backing file: TEST_DIR/t.IMGFMT.base | 
 | backing file format: IMGFMT | 
 | Format specific information: | 
 |     compression type: COMPRESSION_TYPE | 
 |     encrypt: | 
 |         ivgen alg: plain64 | 
 |         detached header: false | 
 |         hash alg: sha256 | 
 |         cipher alg: aes-256 | 
 |         uuid: 00000000-0000-0000-0000-000000000000 | 
 |         format: luks | 
 |         cipher mode: xts | 
 |         slots: | 
 |             [0]: | 
 |                 active: true | 
 |                 iters: 1024 | 
 |                 key offset: 4096 | 
 |                 stripes: 4000 | 
 |             [1]: | 
 |                 active: false | 
 |                 key offset: 262144 | 
 |             [2]: | 
 |                 active: false | 
 |                 key offset: 520192 | 
 |             [3]: | 
 |                 active: false | 
 |                 key offset: 778240 | 
 |             [4]: | 
 |                 active: false | 
 |                 key offset: 1036288 | 
 |             [5]: | 
 |                 active: false | 
 |                 key offset: 1294336 | 
 |             [6]: | 
 |                 active: false | 
 |                 key offset: 1552384 | 
 |             [7]: | 
 |                 active: false | 
 |                 key offset: 1810432 | 
 |         payload offset: 2068480 | 
 |         master key iters: 1024 | 
 | *** done |