Better default, because 0 is a invalid id per the spec. This makes it so people don't need to override the default.

Author: Xeno Kovah

scapy/layers/bluetooth.py

@@ -330,7 +330,7 @@ class L2CAP_CmdHdr(Packet):
                                   24: "credit_based_conn_resp",
                                   25: "credit_based_reconf_req",
                                   26: "credit_based_reconf_resp"}),
-        ByteField("id", 0),
+        ByteField("id", 1),
         LEShortField("len", None)]
 
     def post_build(self, p, pay):