iotests: Filter cid numbers in VMDK extent info

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

tests/qemu-iotests/common.filter

@@ -165,6 +165,7 @@ _filter_img_info()
         -e "/table_size: [0-9]\\+/d" \
         -e "/compat: '[^']*'/d" \
         -e "/compat6: \\(on\\|off\\)/d" \
+        -e "s/cid: [0-9]\+/cid: XXXXXXXXXX/" \
         -e "/static: \\(on\\|off\\)/d" \
         -e "/zeroed_grain: \\(on\\|off\\)/d" \
         -e "/subformat: '[^']*'/d" \

tests/qemu-iotests/iotests.py

@@ -299,6 +299,7 @@ def filter_img_info(output, filename):
                    .replace(imgfmt, 'IMGFMT')
         line = re.sub('iters: [0-9]+', 'iters: XXX', line)
         line = re.sub('uuid: [-a-f0-9]+', 'uuid: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX', line)
+        line = re.sub('cid: [0-9]+', 'cid: XXXXXXXXXX', line)
         lines.append(line)
     return '\n'.join(lines)