diff --git a/tcp_tests/settings_oslo.py b/tcp_tests/settings_oslo.py
index fa61884..c37d319 100644
--- a/tcp_tests/settings_oslo.py
+++ b/tcp_tests/settings_oslo.py
@@ -119,6 +119,7 @@
            help="Node roles managed by underlay in the environment",
            default=[ext.UNDERLAY_NODE_ROLES.salt_master,
                     ext.UNDERLAY_NODE_ROLES.salt_minion,
+                    ext.UNDERLAY_NODE_ROLES.none,
                     ext.UNDERLAY_NODE_ROLES.k8s_controller]),
     ct.Cfg('bootstrap_timeout', ct.Integer(),
            help="Timeout of waiting SSH for nodes with specified roles",
@@ -174,6 +175,7 @@
            help="Node roles to install salt-minions and manage by salt",
            default=[ext.UNDERLAY_NODE_ROLES.salt_master,
                     ext.UNDERLAY_NODE_ROLES.salt_minion,
+                    ext.UNDERLAY_NODE_ROLES.none,
                     ext.UNDERLAY_NODE_ROLES.k8s_controller]),
 ]
 salt_opts = [