Remove postinit from make-test interfaces

Change-Id: I1eb0f735c5d025e6096d5760eb01419a1c58530a
Signed-off-by: Matej Klotton <mklotton@cisco.com>
diff --git a/test/vpp_sub_interface.py b/test/vpp_sub_interface.py
index 027a24b..b4c415c 100644
--- a/test/vpp_sub_interface.py
+++ b/test/vpp_sub_interface.py
@@ -18,7 +18,7 @@
         return self._sub_id
 
     def __init__(self, test, parent, sub_id):
-        self._test = test
+        VppInterface.__init__(self, test)
         self._parent = parent
         self._parent.add_sub_if(self)
         self._sub_id = sub_id
@@ -55,11 +55,10 @@
     def __init__(self, test, parent, sub_id, vlan=None):
         if vlan is None:
             vlan = sub_id
-        super(VppDot1QSubint, self).__init__(test, parent, sub_id)
         self._vlan = vlan
-        r = self.test.vapi.create_vlan_subif(parent.sw_if_index, self.vlan)
+        r = test.vapi.create_vlan_subif(parent.sw_if_index, vlan)
         self._sw_if_index = r.sw_if_index
-        VppInterface.post_init_setup(self)
+        super(VppDot1QSubint, self).__init__(test, parent, sub_id)
 
     def create_arp_req(self):
         packet = VppPGInterface.create_arp_req(self)
@@ -98,21 +97,15 @@
         return self._inner_vlan
 
     def __init__(self, test, parent, sub_id, outer_vlan, inner_vlan):
+        r = test.vapi.create_subif(parent.sw_if_index, sub_id, outer_vlan,
+                                   inner_vlan, dot1ad=1, two_tags=1,
+                                   exact_match=1)
+        self._sw_if_index = r.sw_if_index
         super(VppDot1ADSubint, self).__init__(test, parent, sub_id)
         self.DOT1AD_TYPE = 0x88A8
         self.DOT1Q_TYPE = 0x8100
         self._outer_vlan = outer_vlan
         self._inner_vlan = inner_vlan
-        r = self.test.vapi.create_subif(
-            parent.sw_if_index,
-            self.sub_id,
-            self.outer_vlan,
-            self.inner_vlan,
-            dot1ad=1,
-            two_tags=1,
-            exact_match=1)
-        self._sw_if_index = r.sw_if_index
-        VppInterface.post_init_setup(self)
 
     def create_arp_req(self):
         packet = VppPGInterface.create_arp_req(self)