sandbox: create sandbox with network namespace path

Signed-off-by: Zhang Tianyang <burning9699@gmail.com>

sandbox/proxy/controller.go

@@ -50,6 +50,7 @@ func (s *remoteSandboxController) Create(ctx context.Context, sandboxID string,
 			TypeUrl: options.Options.GetTypeUrl(),
 			Value:   options.Options.GetValue(),
 		},
+		NetnsPath: options.NetNSPath,
 	})
 	if err != nil {
 		return errdefs.FromGRPC(err)