ns-2.35中将aodv协议扩展成为maodv协议，扩展后运行程序报错如下：
num_nodes is set 7
INITIALIZE THE LIST xListHead
Start Simulation...
--- Classfier::no-slot{} default handler (tcl/lib/ns-lib.tcl) ---
_o16: no target for slot 4294967295
_o16 type: Classifier/Hash/Dest
content dump:
classifier _o16
0 offset
0 shift
1073741823 mask
1 slots
slot 0: _o34 (Classifier/Port)
-1 default
---------- Finished standard no-slot{} default handler ----------
这是什么原因？