diff --git a/ironic/common/neutron.py b/ironic/common/neutron.py
index 28cfc73cfe..7182cd3578 100644
--- a/ironic/common/neutron.py
+++ b/ironic/common/neutron.py
@@ -13,10 +13,10 @@
 import copy
 
 from keystoneauth1 import loading as ks_loading
-import netaddr
 from neutronclient.common import exceptions as neutron_exceptions
 from neutronclient.v2_0 import client as clientv20
 from oslo_log import log
+from oslo_utils import netutils
 from oslo_utils import uuidutils
 import retrying
 
@@ -247,7 +247,7 @@ def _add_ip_addresses_for_ipv6_stateful(context, port, client):
     """
     fixed_ips = port['port']['fixed_ips']
     if (not fixed_ips
-            or netaddr.IPAddress(fixed_ips[0]['ip_address']).version != 6):
+            or not netutils.is_valid_ipv6(fixed_ips[0]['ip_address'])):
         return
 
     subnet = client.show_subnet(
diff --git a/releasenotes/notes/dhcpv6-stateful-address-count-0f94ac6a55bd9e51.yaml b/releasenotes/notes/dhcpv6-stateful-address-count-0f94ac6a55bd9e51.yaml
index 8267f99d45..8028448fda 100644
--- a/releasenotes/notes/dhcpv6-stateful-address-count-0f94ac6a55bd9e51.yaml
+++ b/releasenotes/notes/dhcpv6-stateful-address-count-0f94ac6a55bd9e51.yaml
@@ -6,4 +6,9 @@ features:
     cleaning, rescue or inspection. The new parameter
     ``[neutron]/dhcpv6_stateful_address_count`` controls the number of addresses
     to allocate (Default: 4).
-
+fixes:
+  - |
+    The 'no address available' problem seen when network booting on
+    DHCPv6-stateful networks is fixed with the support for allocating multiple
+    IPv6 addresses. See `bug: 1861032
+    <https://bugs.launchpad.net/neutron/+bug/1861032>`_.