diff --git a/test/test-execute/exec-privatenetwork-yes.service b/test/test-execute/exec-privatenetwork-yes.service
index a38d249..8f5cbad 100644
--- a/test/test-execute/exec-privatenetwork-yes.service
+++ b/test/test-execute/exec-privatenetwork-yes.service
@@ -2,6 +2,6 @@
 Description=Test for PrivateNetwork
 
 [Service]
-ExecStart=/bin/sh -x -c '! ip link | grep ": " | grep -Ev ": (lo|sit0@.*):"'
+ExecStart=/bin/sh -x -c '! ip link | grep -E "^[0-9]+: " | grep -Ev ": (lo|(erspan|gre|gretap|ip_vti|ip6_vti|ip6gre|ip6tnl|sit|tunl)0@.*):"'
 Type=oneshot
 PrivateNetwork=yes