diff --git a/whitebox_neutron_tempest_plugin/tests/scenario/base.py b/whitebox_neutron_tempest_plugin/tests/scenario/base.py
index 3df65ff..8fd5ff7 100644
--- a/whitebox_neutron_tempest_plugin/tests/scenario/base.py
+++ b/whitebox_neutron_tempest_plugin/tests/scenario/base.py
@@ -1059,14 +1059,17 @@ class TrafficFlowTest(BaseTempestWhiteboxTestCase):
 
     def _start_captures(self, filters, scenario='north_south', interface=None):
         for node in self.nodes:
-            if not (node['is_controller'] or
+            if not (node.get('ovs_pod') or
                     node['is_compute'] or
                     node['is_networker']):
                 LOG.debug('Traffic is not captured on node %s because it is '
-                          'not: controller, compute, networker', node['name'])
+                          'none of these:\n'
+                          '- a controller running an ovs pod\n'
+                          '- a compute\n'
+                          '- a networker', node['name'])
                 continue
             elif (WB_CONF.openstack_type == 'podified' and
-                  node['is_controller']):
+                  node.get('ovs_pod')):
                 capture_client = self.proxy_host_client
                 command_prefix = "{} rsh {} ".format(self.OC, node['ovs_pod'])
                 if interface: