Revert "make test: fix broken interfaces"

This reverts commit d5c60b96a3fd93916fc4af5c8d6d25625c28242e.

Change-Id: I3632b9c3f76c615aee897f28f76d094e7031e689
Signed-off-by: Ole Troan <ot@cisco.com>
diff --git a/test/vpp_lo_interface.py b/test/vpp_lo_interface.py
index 36f56be..ae4111b 100644
--- a/test/vpp_lo_interface.py
+++ b/test/vpp_lo_interface.py
@@ -5,14 +5,16 @@
 class VppLoInterface(VppInterface, VppObject):
     """VPP loopback interface."""
 
-    def __init__(self, test):
+    def __init__(self, test, lo_index):
         """ Create VPP loopback interface """
-        super(VppLoInterface, self).__init__(test)
+        self._test = test
         self.add_vpp_config()
+        super(VppLoInterface, self).__init__(test)
+        self._lo_index = lo_index
 
     def add_vpp_config(self):
         r = self.test.vapi.create_loopback()
-        self.set_sw_if_index(r.sw_if_index)
+        self._sw_if_index = r.sw_if_index
 
     def remove_vpp_config(self):
         self.test.vapi.delete_loopback(self.sw_if_index)