ip: ip vrf tests python3 support

Type: fix
Signed-off-by: Ole Troan <ot@cisco.com>
Change-Id: Ie23c9d2d7325be62ef33df2f0562ab41518f7bf4
diff --git a/test/test_ip6_vrf_multi_instance.py b/test/test_ip6_vrf_multi_instance.py
index 88aed97..49e5cab 100644
--- a/test/test_ip6_vrf_multi_instance.py
+++ b/test/test_ip6_vrf_multi_instance.py
@@ -120,7 +120,7 @@
             # Packet flows mapping pg0 -> pg1, pg2 etc.
             cls.flows = dict()
             for i in range(len(cls.pg_interfaces)):
-                multiplicand = i / cls.pg_ifs_per_vrf
+                multiplicand = i // cls.pg_ifs_per_vrf
                 pg_list = [
                     cls.pg_interfaces[multiplicand * cls.pg_ifs_per_vrf + j]
                     for j in range(cls.pg_ifs_per_vrf)