X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_vxlan_gpe.py;h=36661a9c1fa47f1f82b9f319305a096d1cb44358;hb=c599c6f001bc28e1023fb5e74a27db37b1aae847;hp=6ee33d59c9e1b650acce4e074e1221ea71ad0140;hpb=6459315569f49bcc2b3572f169192ded7323598f;p=vpp.git

diff --git a/test/test_vxlan_gpe.py b/test/test_vxlan_gpe.py
index 6ee33d59c9e..36661a9c1fa 100644
--- a/test/test_vxlan_gpe.py
+++ b/test/test_vxlan_gpe.py
@@ -114,7 +114,7 @@ class TestVxlanGpe(BridgeDomain, VppTestCase):
                 vni=vni,
                 is_add=is_add)
             if r.sw_if_index == 0xffffffff:
-                raise "bad sw_if_index"
+                raise ValueError("bad sw_if_index: ~0")
 
     @classmethod
     def add_shared_mcast_dst_load(cls):