diff --git a/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_client.py b/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_client.py
index 082c72d2e6d..65b0179aaf5 100644
--- a/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_client.py
+++ b/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_client.py
@@ -34,6 +34,7 @@ from neutron_lib.plugins import directory
 from neutron_lib.plugins import utils as p_utils
 from neutron_lib.services.logapi import constants as log_const
 from neutron_lib.services.qos import constants as qos_consts
+from neutron_lib.services.trunk import constants as trunk_const
 from neutron_lib.utils import helpers
 from neutron_lib.utils import net as n_net
 from oslo_config import cfg
@@ -294,6 +295,10 @@ class OVNClient(object):
                    Defaults to True.
         """
         cmd = []
+        if db_port.device_owner == trunk_const.TRUNK_SUBPORT_OWNER:
+            # NOTE(ralonsoh): OVN subports don't have host ID information.
+            return
+
         if up:
             if not db_port.port_bindings:
                 return
diff --git a/neutron/tests/unit/plugins/ml2/drivers/ovn/mech_driver/ovsdb/test_ovn_client.py b/neutron/tests/unit/plugins/ml2/drivers/ovn/mech_driver/ovsdb/test_ovn_client.py
index c66e65420cf..6feec8b2877 100644
--- a/neutron/tests/unit/plugins/ml2/drivers/ovn/mech_driver/ovsdb/test_ovn_client.py
+++ b/neutron/tests/unit/plugins/ml2/drivers/ovn/mech_driver/ovsdb/test_ovn_client.py
@@ -31,6 +31,7 @@ from neutron.tests.unit.services.logapi.drivers.ovn \
 from neutron_lib.api.definitions import l3
 from neutron_lib import constants as const
 from neutron_lib.services.logapi import constants as log_const
+from neutron_lib.services.trunk import constants as trunk_const
 
 from tenacity import wait_none
 
@@ -299,6 +300,15 @@ class TestOVNClient(TestOVNClientBase):
             'Logical_Switch_Port', port_id, 'external_ids',
             constants.OVN_HOST_ID_EXT_ID_KEY, if_exists=True)
 
+    def test_update_lsp_host_info_trunk_subport(self):
+        context = mock.MagicMock()
+        db_port = mock.Mock(id='fake-port-id',
+                            device_owner=trunk_const.TRUNK_SUBPORT_OWNER)
+
+        self.ovn_client.update_lsp_host_info(context, db_port)
+        self.nb_idl.db_remove.assert_not_called()
+        self.nb_idl.db_set.assert_not_called()
+
     @mock.patch.object(ml2_db, 'get_port')
     def test__wait_for_port_bindings_host(self, mock_get_port):
         context = mock.MagicMock()