QA output created by 223

=== Create partially sparse image, then add dirty bitmap ===

Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=4194304
wrote 2097152/2097152 bytes at offset 1048576
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Testing:
QMP_VERSION
{"return": {}}
{"return": {}}
{"return": {}}
{"return": {}}
{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}


=== Write part of the file under active bitmap ===

wrote 2097152/2097152 bytes at offset 2097152
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

=== End dirty bitmap, and start serving image over NBD ===

{"return": {}}
{"return": {}}
{"return": {}}
{"return": {}}
{"return": {}}
{"return": {}}

=== Contrast normal status with dirty-bitmap status ===

read 1048576/1048576 bytes at offset 0
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 1048576/1048576 bytes at offset 1048576
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 2097152/2097152 bytes at offset 2097152
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
[{ "start": 0, "length": 1048576, "depth": 0, "zero": true, "data": false},
{ "start": 1048576, "length": 3145728, "depth": 0, "zero": false, "data": true}]
[{ "start": 0, "length": 2097152, "depth": 0, "zero": false, "data": true},
{ "start": 2097152, "length": 2097152, "depth": 0, "zero": false, "data": false}]

=== End NBD server ===

{"return": {}}
{"return": {}}
{"return": {}}
*** done