diff --git a/tripleo_common/constants.py b/tripleo_common/constants.py
index 1d4f332b6..89e4a9d0d 100644
--- a/tripleo_common/constants.py
+++ b/tripleo_common/constants.py
@@ -229,3 +229,7 @@ PER_STEP_TASKS = {
 }
 
 INVENTORY_NETWORK_CONFIG_FILE = 'inventory-network-config.yaml'
+
+# Hard coded name in:
+#   tripleo_ansible/ansible_plugins/modules/tripleo_ovn_mac_addresses.py
+OVN_MAC_ADDR_NET_NAME = 'ovn_mac_addr_net'
diff --git a/tripleo_common/inventory.py b/tripleo_common/inventory.py
index a406f8292..66c215484 100644
--- a/tripleo_common/inventory.py
+++ b/tripleo_common/inventory.py
@@ -207,6 +207,10 @@ class NeutronData(object):
         mandatory_tags = {'tripleo_network_name'}
         networks_by_id = {}
         for net in self.networks:
+            # Don't include the OVN Bridge MAC address net
+            if net.name == constants.OVN_MAC_ADDR_NET_NAME:
+                continue
+
             tags = self._tags_to_dict(net.tags)
             # In case of missing required tags, raise an error.
             # neutron is useless as a inventory source in this case.