1 QA output created by 200
2 Formatting 'TEST_DIR/backing.img', fmt=IMGFMT size=536870912
3 Formatting 'TEST_DIR/test.img', fmt=IMGFMT size=536870912 backing_file=TEST_DIR/backing.img backing_fmt=IMGFMT
4 wrote 314572800/314572800 bytes at offset 512
5 300 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
7 === Starting QEMU VM ===
11 === Sending stream/cancel, checking for SIGSEGV only ===
13 500 iterations performed