diff --git a/zaza/openstack/configure/network.py b/zaza/openstack/configure/network.py
index 50405c048..55bcdf3ce 100755
--- a/zaza/openstack/configure/network.py
+++ b/zaza/openstack/configure/network.py
@@ -218,9 +218,9 @@ def setup_gateway_ext_port(network_config, keystone_session=None):
     if current_release >= bionic_queens:
         logging.warn("Adding second interface for dataport to guest netplan "
                      "for bionic-queens and later")
-        plumb_guest_nic = True
+        add_dataport_to_netplan = True
     else:
-        plumb_guest_nic = False
+        add_dataport_to_netplan = False
 
     logging.info("Configuring network for OpenStack undercloud/provider")
     openstack_utils.configure_gateway_ext_port(
@@ -228,7 +228,7 @@ def setup_gateway_ext_port(network_config, keystone_session=None):
         neutron_client,
         dvr_mode=network_config.get("dvr_enabled", False),
         net_id=net_id,
-        plumb_guest_nic=plumb_guest_nic)
+        add_dataport_to_netplan=add_dataport_to_netplan)
 
 
 def run_from_cli(**kwargs):
diff --git a/zaza/openstack/utilities/openstack.py b/zaza/openstack/utilities/openstack.py
index dd0fd42d7..94e86a887 100644
--- a/zaza/openstack/utilities/openstack.py
+++ b/zaza/openstack/utilities/openstack.py
@@ -484,8 +484,8 @@ def get_admin_net(neutron_client):
             return net
 
 
-def _plumb_guest_nic(server_name, mac_address, dvr_mode=None):
-    """In guest server_name, add port with mac_address to netplan.
+def add_interface_to_netplan(server_name, mac_address, dvr_mode=None):
+    """In guest server_name, add nic with mac_address to netplan.
 
     :param server_name: Hostname of instance
     :type server_name: string
@@ -545,7 +545,7 @@ def _plumb_guest_nic(server_name, mac_address, dvr_mode=None):
 
 def configure_gateway_ext_port(novaclient, neutronclient,
                                dvr_mode=None, net_id=None,
-                               plumb_guest_nic=False):
+                               add_dataport_to_netplan=False):
     """Configure the neturong-gateway external port.
 
     :param novaclient: Authenticated novaclient
@@ -592,9 +592,10 @@ def configure_gateway_ext_port(novaclient, neutronclient,
             port = neutronclient.create_port(body=body_value)
             server.interface_attach(port_id=port['port']['id'],
                                     net_id=None, fixed_ip=None)
-            if plumb_guest_nic:
-                _plumb_guest_nic(server.name, mac_address=port['mac_address'],
-                                 dvr_mode=dvr_mode)
+            if add_dataport_to_netplan:
+                add_interface_to_netplan(server.name,
+                                         mac_address=port['mac_address'],
+                                         dvr_mode=dvr_mode)
     ext_br_macs = []
     for port in neutronclient.list_ports(network_id=net_id)['ports']:
         if 'ext-port' in port['name']: