diff --git a/neutron_tempest_plugin/scenario/base.py b/neutron_tempest_plugin/scenario/base.py
index d972953..d03d726 100644
--- a/neutron_tempest_plugin/scenario/base.py
+++ b/neutron_tempest_plugin/scenario/base.py
@@ -638,8 +638,7 @@
         """
         cmd = get_ncat_client_cmd(ip_address, port, protocol,
                                   ssh_client=ssh_client)
-        result = shell.execute(cmd, ssh_client=ssh_client)
-        self.assertEqual(0, result.exit_status)
+        result = shell.execute(cmd, ssh_client=ssh_client, check=False)
         return result.stdout
 
     def _ensure_public_router(self, client=None, tenant_id=None):