diff --git a/testcases/smbtorture/selftest/flapping.xfs b/testcases/smbtorture/selftest/flapping.xfs
new file mode 100644
index 0000000..7bc0da9
--- /dev/null
+++ b/testcases/smbtorture/selftest/flapping.xfs
@@ -0,0 +1,5 @@
+# This is a known fail for samba4 env. We explicitly mark env as
+# samba3 which means we don't ever match with this knownfail.
+^samba3.smb2.create.quota-fake-file
+
+^samba3.smb2.session.*