openflow: Use types and accessors for half-aligned 64-bit fields.

[openvswitch] / vswitchd / vswitch.xml

diff --git a/vswitchd/vswitch.xml b/vswitchd/vswitch.xml
index bb7afe8861ef13977a0b9b65f55b6830b86938bb..f4515f4fe175f3f5b4b7f80a01eebb561305768a 100644 (file)
--- a/vswitchd/vswitch.xml
+++ b/vswitchd/vswitch.xml
@@ -1065,6 +1065,10 @@
           and many kinds of virtual interfaces can be configured with
           higher MTUs.
         </p>
+        <p>
+          This column will be empty for an interface that does not
+          have an MTU as, for example, some kinds of tunnels do not.
+        </p>
       </column>
 
       <column name="status">