QA output created by 182
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=33554432
Starting QEMU

Starting a second QEMU using the same image should fail
QEMU_PROG: -drive file=TEST_DIR/t.qcow2,if=none,id=drive0,file.locking=on: Failed to get "write" lock
Is another process using the image?
*** done