diff --git a/tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh b/tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh
index 0ccb1dda099ae9558d7cb8b2579092f1128f0a5d..eb307ca37bfa69df1acd7cccad1435fed0cf166e 100755
--- a/tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh
+++ b/tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh
@@ -657,10 +657,21 @@ test_ecn_decap()
 {
 	# In accordance with INET_ECN_decapsulate()
 	__test_ecn_decap 00 00 0x00
+	__test_ecn_decap 00 01 0x00
+	__test_ecn_decap 00 02 0x00
+	# 00 03 is tested in test_ecn_decap_error()
+	__test_ecn_decap 01 00 0x01
 	__test_ecn_decap 01 01 0x01
-	__test_ecn_decap 02 01 0x01
+	__test_ecn_decap 01 02 0x01
 	__test_ecn_decap 01 03 0x03
+	__test_ecn_decap 02 00 0x02
+	__test_ecn_decap 02 01 0x01
+	__test_ecn_decap 02 02 0x02
 	__test_ecn_decap 02 03 0x03
+	__test_ecn_decap 03 00 0x03
+	__test_ecn_decap 03 01 0x03
+	__test_ecn_decap 03 02 0x03
+	__test_ecn_decap 03 03 0x03
 	test_ecn_decap_error
 }