diff --git a/test_data/of10/packet_out.data b/test_data/of10/packet_out.data
new file mode 100644
index 0000000..a3892f6
--- /dev/null
+++ b/test_data/of10/packet_out.data
@@ -0,0 +1,25 @@
+-- binary
+01 0d # version/type
+00 23 # length
+12 34 56 78 # xid
+ab cd ef 01 # buffer_id
+ff fe # in_port
+00 10 # actions_len
+00 00 # actions[0].type
+00 08 # actions[0].len
+00 01 # actions[0].port
+00 00 # actions[0].max_len
+00 00 # actions[1].type
+00 08 # actions[1].len
+00 02 # actions[1].port
+00 00 # actions[1].max_len
+61 62 63 # data
+-- python
+ofp.message.packet_out(
+    xid=0x12345678,
+    buffer_id=0xabcdef01,
+    in_port=ofp.OFPP_LOCAL,
+    actions=[
+        ofp.action.output(port=1),
+        ofp.action.output(port=2)],
+    data='abc')