diff --git a/neutron/common/ipv6_utils.py b/neutron/common/ipv6_utils.py
index 2f275bb2bb9..ee715af0786 100644
--- a/neutron/common/ipv6_utils.py
+++ b/neutron/common/ipv6_utils.py
@@ -19,7 +19,7 @@ IPv6-related utilities and helper functions.
 import netaddr
 from neutron_lib import constants as const
 from oslo_log import log
-
+from oslo_utils import netutils
 
 LOG = log.getLogger(__name__)
 
@@ -51,7 +51,7 @@ def valid_ipv6_url(host, port):
        RFC2732 https://tools.ietf.org/html/rfc2732
        square brackets always required in ipv6 URI.
     """
-    if netaddr.valid_ipv6(host):
+    if netutils.is_valid_ipv6(host):
         uri = '[%s]:%s' % (host, port)
     else:
         uri = '%s:%s' % (host, port)
diff --git a/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/native/ovs_bridge.py b/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/native/ovs_bridge.py
index 52fb05f4079..764417430e2 100644
--- a/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/native/ovs_bridge.py
+++ b/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/native/ovs_bridge.py
@@ -19,6 +19,7 @@ from oslo_utils import excutils
 
 from neutron._i18n import _
 from neutron.agent.common import ovs_lib
+from neutron.common import ipv6_utils
 from neutron.plugins.ml2.drivers.openvswitch.agent.common import constants \
         as ovs_consts
 from neutron.plugins.ml2.drivers.openvswitch.agent.openflow \
@@ -70,12 +71,9 @@ class OVSAgentBridge(ofswitch.OpenFlowSwitchMixin,
                     self._cached_dpid = new_dpid
 
     def setup_controllers(self, conf):
-        controllers = [
-            "tcp:%(address)s:%(port)s" % {
-                "address": conf.OVS.of_listen_address,
-                "port": conf.OVS.of_listen_port,
-            }
-        ]
+        url = ipv6_utils.valid_ipv6_url(conf.OVS.of_listen_address,
+                                        conf.OVS.of_listen_port)
+        controllers = ["tcp:" + url]
         self.add_protocols(ovs_consts.OPENFLOW13)
         self.set_controller(controllers)