diff --git a/testing/tests/route-based/net2net-xfrmi-ike/hosts/sun/etc/updown.py b/testing/tests/route-based/net2net-xfrmi-ike/hosts/sun/etc/updown.py
index b17eb6bab..e3b498257 100755
--- a/testing/tests/route-based/net2net-xfrmi-ike/hosts/sun/etc/updown.py
+++ b/testing/tests/route-based/net2net-xfrmi-ike/hosts/sun/etc/updown.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python
 
+import sys
 import vici
 import daemon
 import logging