diff --git a/os_faults/drivers/tcpcloud.py b/os_faults/drivers/tcpcloud.py
index 1b70f6d..c7700c8 100644
--- a/os_faults/drivers/tcpcloud.py
+++ b/os_faults/drivers/tcpcloud.py
@@ -217,6 +217,8 @@ class TCPCloudManagement(cloud_management.CloudManagement):
             'slave_username': {'type': 'string'},
             'master_sudo': {'type': 'boolean'},
             'slave_sudo': {'type': 'boolean'},
+            'slave_iface': {'type': 'string'},
+            'slave_name_regexp': {'type': 'string'},
         },
         'required': ['address', 'username'],
         'additionalProperties': False,
@@ -243,6 +245,12 @@ class TCPCloudManagement(cloud_management.CloudManagement):
             jump_user=self.username,
             become=cloud_management_params.get('slave_sudo'))
 
+        self.slave_iface = cloud_management_params.get('slave_iface', 'eth0')
+
+        # get all nodes except salt master (that has cfg* hostname) by default
+        self.slave_name_regexp = cloud_management_params.get(
+            'slave_name_regexp', '^(?!cfg)')
+
         self.cached_cloud_hosts = list()
         self.fqdn_to_hosts = dict()
 
@@ -261,14 +269,14 @@ class TCPCloudManagement(cloud_management.CloudManagement):
 
     def _get_cloud_hosts(self):
         if not self.cached_cloud_hosts:
-            # get all nodes except salt master (that has cfg* hostname)
-            cmd = "salt -E '^(?!cfg)' network.interfaces --out=yaml"
+            cmd = "salt -E '{}' network.interfaces --out=yaml".format(
+                self.slave_name_regexp)
             result = self.execute_on_master_node({'command': cmd})
             stdout = result[0].payload['stdout']
             for fqdn, net_data in yaml.load(stdout).items():
                 host = node_collection.Host(
-                    ip=net_data['eth0']['inet'][0]['address'],
-                    mac=net_data['eth0']['hwaddr'],
+                    ip=net_data[self.slave_iface]['inet'][0]['address'],
+                    mac=net_data[self.slave_iface]['hwaddr'],
                     fqdn=fqdn)
                 self.cached_cloud_hosts.append(host)
                 self.fqdn_to_hosts[host.fqdn] = host
diff --git a/os_faults/tests/unit/drivers/test_tcpcloud.py b/os_faults/tests/unit/drivers/test_tcpcloud.py
index 406d713..b5f1f18 100644
--- a/os_faults/tests/unit/drivers/test_tcpcloud.py
+++ b/os_faults/tests/unit/drivers/test_tcpcloud.py
@@ -29,12 +29,12 @@ class TCPCloudManagementTestCase(test.TestCase):
         self.fake_ansible_result = fakes.FakeAnsibleResult(
             payload={
                 'stdout': 'cmp01.mk20.local:\n'
-                          '  eth0:\n'
+                          '  eth1:\n'
                           '    hwaddr: 09:7b:74:90:63:c2\n'
                           '    inet:\n'
                           '    - address: 10.0.0.2\n'
                           'cmp02.mk20.local:\n'
-                          '  eth0:\n'
+                          '  eth1:\n'
                           '    hwaddr: 09:7b:74:90:63:c3\n'
                           '    inet:\n'
                           '    - address: 10.0.0.3\n'
@@ -42,6 +42,7 @@ class TCPCloudManagementTestCase(test.TestCase):
         self.tcp_conf = {
             'address': 'tcp.local',
             'username': 'root',
+            'slave_iface': 'eth1',
         }
         self.get_nodes_cmd = (
             "salt -E '^(?!cfg)' network.interfaces --out=yaml")
@@ -87,11 +88,13 @@ class TCPCloudManagementTestCase(test.TestCase):
             [fakes.FakeAnsibleResult(payload={'stdout': ''}),
              fakes.FakeAnsibleResult(payload={'stdout': ''})],
         ]
+        self.tcp_conf['slave_name_regexp'] = '(ctl*|cmp*)'
         tcp_managment = tcpcloud.TCPCloudManagement(self.tcp_conf)
         tcp_managment.verify()
 
+        get_nodes_cmd = "salt -E '(ctl*|cmp*)' network.interfaces --out=yaml"
         ansible_runner_inst.execute.assert_has_calls([
-            mock.call(['tcp.local'], {'command': self.get_nodes_cmd}),
+            mock.call(['tcp.local'], {'command': get_nodes_cmd}),
             mock.call(['10.0.0.2', '10.0.0.3'], {'command': 'hostname'}),
         ])
 
diff --git a/os_faults/tests/unit/test_utils.py b/os_faults/tests/unit/test_utils.py
index 16b6ba2..ea051a9 100644
--- a/os_faults/tests/unit/test_utils.py
+++ b/os_faults/tests/unit/test_utils.py
@@ -29,7 +29,7 @@ class UtilsTestCase(test.TestCase):
         target = mock.Mock()
         utils.run(target, [{'mac_address': '01'}, {'mac_address': '02'}])
         target.assert_has_calls([mock.call(mac_address='01'),
-                                mock.call(mac_address='02')])
+                                mock.call(mac_address='02')], any_order=True)
 
     def test_run_raise_exception(self):
         target = mock.Mock()