diff --git a/tools/testing/selftests/net/fcnal-test.sh b/tools/testing/selftests/net/fcnal-test.sh
index 8df67ecec1d6..844a580ae74e 100755
--- a/tools/testing/selftests/net/fcnal-test.sh
+++ b/tools/testing/selftests/net/fcnal-test.sh
@@ -189,7 +189,7 @@ show_hint()
 kill_procs()
 {
 	killall nettest ping ping6 >/dev/null 2>&1
-	sleep 1
+	slowwait 2 sh -c 'test -z "$(pgrep '"'^(nettest|ping|ping6)$'"')"'
 }
 
 set_ping_group()