diff --git a/pkg/controller/pod.go b/pkg/controller/pod.go
index 33ed41f3a8c..deb61b63fa3 100644
--- a/pkg/controller/pod.go
+++ b/pkg/controller/pod.go
@@ -869,6 +869,10 @@ func (c *Controller) handleUpdatePod(key string) error {
 						klog.Errorf("failed to add static route, %v", err)
 						return err
 					}
+				} else {
+					if err := c.ovnLegacyClient.DeleteStaticRoute(podIP, c.config.ClusterRouter); err != nil {
+						return err
+					}
 				}
 			}
 
diff --git a/pkg/ovs/ovn-nbctl-legacy.go b/pkg/ovs/ovn-nbctl-legacy.go
index 7a3f0a19e75..93520928a4f 100644
--- a/pkg/ovs/ovn-nbctl-legacy.go
+++ b/pkg/ovs/ovn-nbctl-legacy.go
@@ -1082,6 +1082,12 @@ func parseLrRouteListOutput(output string) (routeList []*StaticRoute, err error)
 }
 
 func (c LegacyClient) UpdateNatRule(policy, logicalIP, externalIP, router, logicalMac, port string) error {
+	// when dual protocol pod has eip or snat, will add nat for all dual addresses.
+	// will fail when logicalIP externalIP is different protocol.
+	if externalIP != "" && util.CheckProtocol(logicalIP) != util.CheckProtocol(externalIP) {
+		return nil
+	}
+
 	if policy == "snat" {
 		if externalIP == "" {
 			_, err := c.ovnNbCommand(IfExists, "lr-nat-del", router, "snat", logicalIP)