test: Add draft of a fake-TC Python script

Signed-off-by: Casper Andersson <[email protected]>

test/fake_tc.py

@@ -0,0 +1,20 @@
+from scapy.all import *
+
+def change_send(pkt):
+    payload = pkt.lastlayer()
+    payload.load = payload.load[:8] + b"\x00\x00\x00\x01\x00\x00" + payload.load[14:]
+
+    if pkt.sniffed_on == 'veth2':
+        sendp(pkt, iface='veth3', verbose=False)
+        print("Forwarded veth2 -> veth3")
+    # elif pkt.sniffed_on == 'veth3':
+        # sendp(pkt, iface='veth2', verbose=False)
+        # print("Forwarded veth3 -> veth2")
+
+
+# Sniffing on both and forwarding causes it to sniff its own packets
+# sniff(iface=['veth2', 'veth3'], prn=change_send)
+sniff(iface='veth2', prn=change_send)
+
+
+