Related to networkservicemesh/integration-k8s-kind#565

Signed-off-by: Laszlo Kiraly <laszlo.kiraly@est.tech>

main.go

@@ -52,6 +52,7 @@ import (
 	"github.com/networkservicemesh/sdk/pkg/networkservice/chains/endpoint"
 	"github.com/networkservicemesh/sdk/pkg/networkservice/common/authorize"
 	registryclient "github.com/networkservicemesh/sdk/pkg/registry/chains/client"
+	"github.com/networkservicemesh/sdk/pkg/registry/common/sendfd"
 	"github.com/networkservicemesh/sdk/pkg/tools/grpcutils"
 	"github.com/networkservicemesh/sdk/pkg/tools/log"
 	"github.com/networkservicemesh/sdk/pkg/tools/log/logruslogger"
@@ -415,7 +416,12 @@ func registerEndpoint(ctx context.Context, cfg *Config, source *workloadapi.X509
 		),
 	)
 
-	registryClient := registryclient.NewNetworkServiceEndpointRegistryClient(ctx, &cfg.ConnectTo, registryclient.WithDialOptions(clientOptions...))
+	registryClient := registryclient.NewNetworkServiceEndpointRegistryClient(ctx, &cfg.ConnectTo,
+		registryclient.WithDialOptions(clientOptions...),
+		registryclient.WithNSEAdditionalFunctionality(
+			sendfd.NewNetworkServiceEndpointRegistryClient(),
+		),
+	)
 	_, err := registryClient.Register(ctx, &registryapi.NetworkServiceEndpoint{
 		Name: cfg.Name,
 		NetworkServiceLabels: map[string]*registryapi.NetworkServiceLabels{