diff --git a/releasenotes/notes/of_interface-native-by-default-0c07bdbd7365230a.yaml b/releasenotes/notes/of_interface-native-by-default-0c07bdbd7365230a.yaml
index a6c4090f55c..698245ff785 100644
--- a/releasenotes/notes/of_interface-native-by-default-0c07bdbd7365230a.yaml
+++ b/releasenotes/notes/of_interface-native-by-default-0c07bdbd7365230a.yaml
@@ -8,3 +8,8 @@ upgrade:
   - To retain the old default for neutron-openvswitch-agent, use
     'of_interface = ovs-ofctl' in the '[ovs]' section of your
     openvswitch agent configuration file.
+  - By default, the native interface will have the Ryu controller
+    listen on 127.0.0.1:6633. The listen address can be configured
+    with of_listen_address and of_listen_port options. Ensure that
+    the controller has permission to listen at the configured
+    address.
diff --git a/releasenotes/notes/ovsdb-native-by-default-38835d6963592396.yaml b/releasenotes/notes/ovsdb-native-by-default-38835d6963592396.yaml
index 9fc8e670235..d4db5eb7d74 100644
--- a/releasenotes/notes/ovsdb-native-by-default-38835d6963592396.yaml
+++ b/releasenotes/notes/ovsdb-native-by-default-38835d6963592396.yaml
@@ -13,3 +13,7 @@ upgrade:
       if there is a separate openvswitch agent configuration file;
       otherwise apply changes mentioned above to ml2_conf.ini
       (common path '/etc/neutron/plugins/ml2/ml2_conf.ini').
+    - The native interface configures ovsdb-server to listen for
+      connections on 127.0.0.1:6640 by default. The address can be
+      configured with the ovsdb_connection config option. Ensure that
+      ovsdb-server has permissions to listen on the configured address.