docs: migration: Mention that features may not work with tunnelled migration

Enumerate some features which are incompatible with tunnelled migration.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>

diff --git a/docs/migration.html.in b/docs/migration.html.in
index e84e5f5452f883dd95e73ff23ab4ed9e920618ed..c3c64fb51f58340f6845ae421f595eff49fd9825 100644 (file)
--- a/docs/migration.html.in
+++ b/docs/migration.html.in
@@ -49,6 +49,14 @@
       migration operations.
     </p>
 
+    <p>
+      <em>Note:</em> Certain features such as migration of non-shared storage
+      (<code>VIR_MIGRATE_NON_SHARED_DISK</code>), the multi-connection migration
+      (<code>VIR_MIGRATE_PARALLEL</code>), or post-copy migration
+      (<code>VIR_MIGRATE_POSTCOPY</code>) may not be available when using
+      libvirt's tunnelling.
+    </p>
+
     <p>
       <img class="diagram" src="migration-tunnel.png" alt="Migration tunnel path"/>
     </p>