- self.thru_host_stack_test("vcl_test_server", self.server_ipv6_args,
- "vcl_test_client",
- self.client_ipv6_echo_test_args)
+# self.thru_host_stack_test("vcl_test_server", self.server_ipv6_args,
+# "vcl_test_client",
+# self.client_ipv6_echo_test_args)