Signed-off-by: Marvin Liu <yong....@intel.com>
diff --git a/doc/guides/rel_notes/known_issues.rst
b/doc/guides/rel_notes/known_issues.rst
index 95e4ce693..617255cd7 100644
--- a/doc/guides/rel_notes/known_issues.rst
+++ b/doc/guides/rel_notes/known_issues.rst
@@ -759,3 +759,21 @@ Netvsc driver and application restart
**Driver/Module**:
``uio_hv_generic`` module.
+
+
+Restricted vdev ethdev operations supported in secondary process
+----------------------------------------------------------------
+**Description**
+ In current virtual device sharing model, Ethernet device data structure
will be
+ shared between primary and secondary process. Only those Ethernet device
operations
+ which based on it are workable in secondary process.
+
+**Implication**
+ Some Ethernet device operations like device start/stop will be failed on
virtual
+ device in secondary process.
+
+**Affected Environment/Platform**:
+ ALL.
+
+**Driver/Module**:
+ Virtual Device Poll Mode Driver (PMD).
--
2.14.1
