diff --git a/neutron_lib/callbacks/resources.py b/neutron_lib/callbacks/resources.py
index 2bc6736b0..5e632e2dc 100644
--- a/neutron_lib/callbacks/resources.py
+++ b/neutron_lib/callbacks/resources.py
@@ -14,6 +14,7 @@
 ADDRESS_GROUP = 'address_group'
 AGENT = 'agent'
 FLOATING_IP = 'floatingip'
+LOCAL_IP_ASSOCIATION = 'local_ip_association'
 NETWORK = 'network'
 NETWORKS = 'networks'
 PORT = 'port'
diff --git a/neutron_lib/constants.py b/neutron_lib/constants.py
index 5d442880e..b4f4bcbe3 100644
--- a/neutron_lib/constants.py
+++ b/neutron_lib/constants.py
@@ -52,6 +52,7 @@ DEVICE_OWNER_HA_REPLICATED_INT = (DEVICE_OWNER_NETWORK_PREFIX +
 DEVICE_OWNER_ROUTER_INTF = DEVICE_OWNER_NETWORK_PREFIX + "router_interface"
 DEVICE_OWNER_ROUTER_GW = DEVICE_OWNER_NETWORK_PREFIX + "router_gateway"
 DEVICE_OWNER_FLOATINGIP = DEVICE_OWNER_NETWORK_PREFIX + "floatingip"
+DEVICE_OWNER_LOCAL_IP = DEVICE_OWNER_NETWORK_PREFIX + "local_ip"
 DEVICE_OWNER_DHCP = DEVICE_OWNER_NETWORK_PREFIX + "dhcp"
 DEVICE_OWNER_DVR_INTERFACE = (DEVICE_OWNER_NETWORK_PREFIX +
                               "router_interface_distributed")
diff --git a/neutron_lib/exceptions/local_ip.py b/neutron_lib/exceptions/local_ip.py
new file mode 100644
index 000000000..cc3a4c8c1
--- /dev/null
+++ b/neutron_lib/exceptions/local_ip.py
@@ -0,0 +1,49 @@
+# Copyright 2021 Huawei, Inc.
+# All rights reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from neutron_lib._i18n import _
+from neutron_lib import exceptions
+
+
+class LocalIPNotFound(exceptions.NotFound):
+    message = _("Local IP %(id)s could not be found.")
+
+
+class LocalIPInUse(exceptions.InUse):
+    message = _("Local IP %(id)s is still associated with one or more ports.")
+
+
+class LocalIPNoIP(exceptions.InvalidInput):
+    message = _("Specified Port %(port_id)s has no fixed IPs configured.")
+
+
+class LocalIPRequestedIPNotFound(exceptions.InvalidInput):
+    message = _("Specified Port %(port_id)s does not have "
+                "requested IP address: %(ip)s.")
+
+
+class LocalIPNoRequestedIP(exceptions.InvalidInput):
+    message = _("Specified Port %(port_id)s has several IPs, "
+                "should specify exact IP address to use for Local IP.")
+
+
+class LocalIPPortOrNetworkRequired(exceptions.InvalidInput):
+    message = _("Either Port ID or Network ID must be specified "
+                "for Local IP create.")
+
+
+class LocalIPAssociationNotFound(exceptions.NotFound):
+    message = _("Local IP %(local_ip_id)s association with port %(port_id)s "
+                "could not be found.")