7503E-M STP提示收到和发出大量TC报文    

%Mar 13 05:53:12:864 2021 Core-S7506E STP/6/STP_NOTIFIED_TC: Instance 0's port Bridge-Aggregation14 was notified a topology change. %Mar 13 06:49:57:181 2021 Core-S7506E STP/6/STP_NOTIFIED_TC: Instance 0's port Bridge-Aggregation14 was notified a topology change. %Mar 13 06:49:58:460 2021 Core-S7506E STP/6/STP_NOTIFIED_TC: Instance 0's port Bridge-Aggregation14 was notified a topology change. %Mar 13 06:50:26:092 2021 Core-S7506E STP/6/STP_NOTIFIED_TC: Instance 0's port Bridge-Aggregation14 was notified a topology change.

该怎么进行排查？请给出整改建议。诊断如附件

hassis 2 slot 0 

MST ID   Port                                Receive  Send

0        Bridge-Aggregation1                 2        984

0        Bridge-Aggregation2                 2        4198

0        Bridge-Aggregation3                 4        4194

0        Bridge-Aggregation4                 2        4190

0        Bridge-Aggregation5                 2        4192

0        Bridge-Aggregation6                 8        972

0        Bridge-Aggregation7                 2        4238

0        Bridge-Aggregation8                 2        4206

0        Bridge-Aggregation13                333      3936

0        Bridge-Aggregation14                2419     1260

0        Bridge-Aggregation15                2        4194

0        Bridge-Aggregation25                3        4244

0        Bridge-Aggregation26                3        4202