+Version semantics
+-----------------
+
+The tools relies on an expected disk format structure which is reflected by your current kernel version.
+Disk format can be upgraded or downgraded automatically by the kernel, if needed.
+
+- Any patch-level change means no disk format change
+- Any minor-level change means a potential disk format change which **is not breaking**
+- Any major-level change means **breaking changes**
+