diff --git a/pkg/ovs/ovn-ic-nbctl_test.go b/pkg/ovs/ovn-ic-nbctl_test.go
new file mode 100644
index 00000000000..e8ff22a0533
--- /dev/null
+++ b/pkg/ovs/ovn-ic-nbctl_test.go
@@ -0,0 +1,41 @@
+package ovs
+
+import (
+	"github.com/stretchr/testify/require"
+)
+
+func (suite *OvnClientTestSuite) testOvnIcNbCommand() {
+	t := suite.T()
+	t.Parallel()
+
+	ovnLegacyClient := suite.ovnLegacyClient
+	cmd := []string{"--format=csv", "--data=bare", "--no-heading", "--columns=name", "list", "Transit_Switch"}
+	output, err := ovnLegacyClient.ovnIcNbCommand(cmd...)
+	// ovn-ic-nbctl not found
+	// TODO: ic nb db use mock db like nb and sb
+	require.Error(t, err)
+	require.Empty(t, output)
+}
+
+func (suite *OvnClientTestSuite) testGetTsSubnet() {
+	t := suite.T()
+	t.Parallel()
+
+	ovnLegacyClient := suite.ovnLegacyClient
+	subnet, err := ovnLegacyClient.GetTsSubnet("ts1")
+	// ovn-ic-nbctl not found
+	// TODO: ic nb db use mock db like nb and sb
+	require.Error(t, err)
+	require.Empty(t, subnet)
+}
+
+func (suite *OvnClientTestSuite) testGetTs() {
+	t := suite.T()
+	t.Parallel()
+
+	ovnLegacyClient := suite.ovnLegacyClient
+	ts, err := ovnLegacyClient.GetTs()
+	// ovn-ic-nbctl not found
+	require.Error(t, err)
+	require.Empty(t, ts)
+}
diff --git a/pkg/ovs/ovn-ic-sbctl_test.go b/pkg/ovs/ovn-ic-sbctl_test.go
new file mode 100644
index 00000000000..1075ed993f9
--- /dev/null
+++ b/pkg/ovs/ovn-ic-sbctl_test.go
@@ -0,0 +1,122 @@
+package ovs
+
+import (
+	"github.com/stretchr/testify/require"
+)
+
+func (suite *OvnClientTestSuite) testOvnIcSbCommand() {
+	t := suite.T()
+	t.Parallel()
+
+	ovnLegacyClient := suite.ovnLegacyClient
+	cmd := []string{"--format=csv", "--data=bare", "--no-heading", "--columns=name", "list", "Chassis"}
+	output, err := ovnLegacyClient.ovnIcSbCommand(cmd...)
+	// ovn-ic-sbctl not found
+	require.Error(t, err)
+	require.Empty(t, output)
+}
+
+func (suite *OvnClientTestSuite) testFindUUIDWithAttrInTable() {
+	t := suite.T()
+	t.Parallel()
+
+	ovnLegacyClient := suite.ovnLegacyClient
+	uuids, err := ovnLegacyClient.FindUUIDWithAttrInTable("availability_zone", "xx_uuid", "gateway")
+	// ovn-ic-sbctl not found
+	require.Error(t, err)
+	require.Empty(t, uuids)
+}
+
+func (suite *OvnClientTestSuite) testDestroyTableWithUUID() {
+	t := suite.T()
+	t.Parallel()
+
+	ovnLegacyClient := suite.ovnLegacyClient
+	err := ovnLegacyClient.DestroyTableWithUUID("uuid", "gateway")
+	// ovn-ic-sbctl not found
+	require.Error(t, err)
+}
+
+func (suite *OvnClientTestSuite) testGetAzUUID() {
+	t := suite.T()
+	t.Parallel()
+
+	ovnLegacyClient := suite.ovnLegacyClient
+	uuid, err := ovnLegacyClient.GetAzUUID("az1")
+	// ovn-ic-sbctl not found
+	require.Error(t, err)
+	require.Empty(t, uuid)
+}
+
+func (suite *OvnClientTestSuite) testGetGatewayUUIDsInOneAZ() {
+	t := suite.T()
+	t.Parallel()
+
+	ovnLegacyClient := suite.ovnLegacyClient
+	uuids, err := ovnLegacyClient.GetGatewayUUIDsInOneAZ("uuid")
+	// ovn-ic-sbctl not found
+	require.Error(t, err)
+	require.Empty(t, uuids)
+}
+
+func (suite *OvnClientTestSuite) testGetRouteUUIDsInOneAZ() {
+	t := suite.T()
+	t.Parallel()
+
+	ovnLegacyClient := suite.ovnLegacyClient
+	uuids, err := ovnLegacyClient.GetRouteUUIDsInOneAZ("uuid")
+	// ovn-ic-sbctl not found
+	require.Error(t, err)
+	require.Empty(t, uuids)
+}
+
+func (suite *OvnClientTestSuite) testGetPortBindingUUIDsInOneAZ() {
+	t := suite.T()
+	t.Parallel()
+
+	ovnLegacyClient := suite.ovnLegacyClient
+	uuids, err := ovnLegacyClient.GetPortBindingUUIDsInOneAZ("uuid")
+	// ovn-ic-sbctl not found
+	require.Error(t, err)
+	require.Empty(t, uuids)
+}
+
+func (suite *OvnClientTestSuite) testDestroyGateways() {
+	t := suite.T()
+	t.Parallel()
+
+	ovnLegacyClient := suite.ovnLegacyClient
+	err := ovnLegacyClient.DestroyGateways([]string{"uuid"})
+	// ovn-ic-sbctl not found
+	require.Error(t, err)
+}
+
+func (suite *OvnClientTestSuite) testDestroyRoutes() {
+	t := suite.T()
+	t.Parallel()
+
+	ovnLegacyClient := suite.ovnLegacyClient
+	err := ovnLegacyClient.DestroyRoutes([]string{"uuid"})
+	// ovn-ic-sbctl not found
+	require.Error(t, err)
+}
+
+func (suite *OvnClientTestSuite) testDestroyPortBindings() {
+	t := suite.T()
+	t.Parallel()
+
+	ovnLegacyClient := suite.ovnLegacyClient
+	err := ovnLegacyClient.DestroyPortBindings([]string{"uuid"})
+	// ovn-ic-sbctl not found
+	require.Error(t, err)
+}
+
+func (suite *OvnClientTestSuite) testDestroyChassis() {
+	t := suite.T()
+	t.Parallel()
+
+	ovnLegacyClient := suite.ovnLegacyClient
+	err := ovnLegacyClient.DestroyChassis("uuid")
+	// ovn-ic-sbctl not found
+	require.Error(t, err)
+}
diff --git a/pkg/ovs/ovn-nb-suite_test.go b/pkg/ovs/ovn-nb-suite_test.go
index b1aa1d9b0e8..5b8bdff74ee 100644
--- a/pkg/ovs/ovn-nb-suite_test.go
+++ b/pkg/ovs/ovn-nb-suite_test.go
@@ -32,6 +32,7 @@ type OvnClientTestSuite struct {
 	ovnSBClient *OVNSbClient
 
 	faiedOvnNBClient *OVNNbClient
+	ovnLegacyClient  *LegacyClient
 }
 
 func emptyNbDatabaseModel() (model.ClientDBModel, error) {
@@ -79,6 +80,9 @@ func (suite *OvnClientTestSuite) SetupSuite() {
 	ovnSBClient, err := newOvnSbClient(suite.T(), sbEndpoint, 10)
 	require.NoError(suite.T(), err)
 	suite.ovnSBClient = ovnSBClient
+
+	// setup ovn legacy client
+	suite.ovnLegacyClient = newLegacyClient(10)
 }
 
 // In order for 'go test' to run this suite, we need to create
@@ -877,6 +881,63 @@ func (suite *OvnClientTestSuite) Test_GetKubeOvnChassisses() {
 	suite.testGetKubeOvnChassisses()
 }
 
+// ovn ic
+func (suite *OvnClientTestSuite) Test_OvnIcNbCommand() {
+	suite.testOvnIcNbCommand()
+}
+
+func (suite *OvnClientTestSuite) Test_OvnIcSbCommand() {
+	suite.testOvnIcSbCommand()
+}
+
+func (suite *OvnClientTestSuite) Test_GetTsSubnet() {
+	suite.testGetTsSubnet()
+}
+
+func (suite *OvnClientTestSuite) Test_GetTs() {
+	suite.testGetTs()
+}
+
+func (suite *OvnClientTestSuite) Test_FindUUIDWithAttrInTable() {
+	suite.testFindUUIDWithAttrInTable()
+}
+
+func (suite *OvnClientTestSuite) Test_DestroyTableWithUUID() {
+	suite.testDestroyTableWithUUID()
+}
+
+func (suite *OvnClientTestSuite) Test_GetAzUUID() {
+	suite.testGetAzUUID()
+}
+
+func (suite *OvnClientTestSuite) Test_GetGatewayUUIDsInOneAZ() {
+	suite.testGetGatewayUUIDsInOneAZ()
+}
+
+func (suite *OvnClientTestSuite) Test_GetRouteUUIDsInOneAZ() {
+	suite.testGetRouteUUIDsInOneAZ()
+}
+
+func (suite *OvnClientTestSuite) Test_GetPortBindingUUIDsInOneAZ() {
+	suite.testGetPortBindingUUIDsInOneAZ()
+}
+
+func (suite *OvnClientTestSuite) Test_DestroyGateways() {
+	suite.testDestroyGateways()
+}
+
+func (suite *OvnClientTestSuite) Test_DestroyRoutes() {
+	suite.testDestroyRoutes()
+}
+
+func (suite *OvnClientTestSuite) Test_DestroyPortBindings() {
+	suite.testDestroyPortBindings()
+}
+
+func (suite *OvnClientTestSuite) Test_DestroyChassis() {
+	suite.testDestroyChassis()
+}
+
 func Test_scratch(t *testing.T) {
 	t.SkipNow()
 	endpoint := "tcp:[172.20.149.35]:6641"
@@ -935,6 +996,13 @@ func newOvnNbClient(t *testing.T, ovnNbAddr string, ovnNbTimeout int) (*OVNNbCli
 	}, nil
 }
 
+// newLegacyClient init a legacy ovn client
+func newLegacyClient(timeout int) *LegacyClient {
+	return &LegacyClient{
+		OvnTimeout: timeout,
+	}
+}
+
 func newNbClient(addr string, timeout int) (client.Client, error) {
 	dbModel, err := ovnnb.FullDatabaseModel()
 	if err != nil {