diff --git a/release_notes/ocp-4-16-release-notes.adoc b/release_notes/ocp-4-16-release-notes.adoc
index 8bf89568ef7f..1e3042146017 100644
--- a/release_notes/ocp-4-16-release-notes.adoc
+++ b/release_notes/ocp-4-16-release-notes.adoc
@@ -699,6 +699,11 @@ For more information, see xref:../post_installation_configuration/changing-cloud
 [id="ocp-4-16-networking_{context}"]
 === Networking
 
+[id="ocp-4-16-ipv6-default-ipvlan_{context}"]
+==== IPv6 unsolicited neighbor advertisements on IPVLAN CNI plugin (General Availability)
+
+Pods created by using the `ipvlan` CNI plugin, where the IP address management CNI plugin has assigned IPs, now send IPv6 unsolicited neighbor advertisements by default onto the network. This feature has the General Availability status for {product-title} {product-version}.
+
 [id="ocp-4-16-sr-iov-network-metrics-exporter_{context}"]
 ==== Enabling the SR-IOV network metrics exporter