X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Fvpp_pg_interface.py;h=1300f1f1f006b3d5f769482068fe985e32151cc2;hb=31da2e30317bc1fcb4586e1dc0d560600d9b29d3;hp=81e9714a37a92f88aba7f6aa834414f216dd3fcb;hpb=2a8d02df15e71881754bab0bb16b85ccd65f8f74;p=vpp.git

diff --git a/test/vpp_pg_interface.py b/test/vpp_pg_interface.py
index 81e9714a37a..1300f1f1f00 100644
--- a/test/vpp_pg_interface.py
+++ b/test/vpp_pg_interface.py
@@ -84,11 +84,11 @@ class VppPGInterface(VppInterface):
 
     def __init__(self, test, pg_index):
         """ Create VPP packet-generator interface """
-        r = test.vapi.pg_create_interface(pg_index)
-        self._sw_if_index = r.sw_if_index
-
         super(VppPGInterface, self).__init__(test)
 
+        r = test.vapi.pg_create_interface(pg_index)
+        self.set_sw_if_index(r.sw_if_index)
+
         self._in_history_counter = 0
         self._out_history_counter = 0
         self._out_assert_counter = 0