X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2Ftopology.py;h=103416078a1b21e032deefbac80d779114e5cddb;hb=f36857344062402e41419ee37abfec76bf8ad2ff;hp=8b6905d7e109ad073b0cf22c777b953953c3aaba;hpb=da15035461569ea175aabbac1df735cd5598b0b3;p=csit.git

diff --git a/resources/libraries/python/topology.py b/resources/libraries/python/topology.py
index 8b6905d7e1..103416078a 100644
--- a/resources/libraries/python/topology.py
+++ b/resources/libraries/python/topology.py
@@ -195,7 +195,7 @@ class Topology(object):
 
         interface_dict = {}
         list_mac_address = self.convert_mac_to_number_list(mac_address)
-        logger.trace(list_mac_address.__str__())
+        logger.trace(str(list_mac_address))
         for interface in interfaces_list:
             # TODO: create vat json integrity checking and move there
             if "l2_address" not in interface:
@@ -254,6 +254,9 @@ class Topology(object):
             if_mac = ifc['mac_address']
             interface_dict = self._extract_vpp_interface_by_mac(interface_list,
                                                                 if_mac)
+            if not interface_dict:
+                raise Exception('Interface {0} not found by MAC {1}'.
+                        format(ifc, if_mac))
             ifc['name'] = interface_dict["interface_name"]
             ifc['vpp_sw_index'] = interface_dict["sw_if_index"]