交换机出现一条Traceback的日志，请问这是什么告警？

[xy411381121]

设备：WS-C3750X-48T-S
版本：12.2(55)SE5
楼层接入交换机，都是接的联想工作站，今天查看日志时，看到一条奇怪的日志：
Apr 15 06:57:09.601: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/28, changed state to down
Apr 15 06:57:10.607: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/28, changed state to down
Apr 15 06:57:13.568: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/28, changed state to up
Apr 15 06:57:14.575: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/28, changed state to up
Apr 15 10:43:03.028: -Traceback= 195C344 195C5D8 1955A30 15D1148 36FB54 37371C 373210 3830F8 3835F4 3839C0 38883C 3B414C 1F106C8 1F07140
Apr 15 10:43:03.028: -Traceback= 195C344 195C5D8 1955A30 15D1148 36FB54 37371C 373210 3830F8 3835F4 3839C0 38883C 3B414C 1F106C8 1F07140
Apr 15 10:43:03.028: -Traceback= 195C344 195C5D8 1955A30 15D1148 36FB54 37371C 373210 3830F8 3835F4 3839C0 38883C 3B414C 1F106C8 1F07140
Apr 15 14:45:24.445: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/28, changed state to down
Apr 15 14:45:25.451: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/28, changed state to down
Apr 15 14:45:28.580: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/28, changed state to up
Apr 15 14:45:29.595: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/28, changed state to up
请问这个-Traceback=的日志是什么意思啊？

[YilinChen]

开CASE吧，推测内存不足:P

[Rockyw]

下面这篇文档里面有几个关于Traceback的描述，但没找到你这个，或许真的要单独开个CASE，但如果对使用没有影响的话，也不必理会。
Release Notes for Catalyst 3750-X, 3750-E, 3560-X, and 3560-E Switches, Cisco IOS Release 15.0(2)SE and Later
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750x_3560x/software/release/15-0_2_se/release/notes/OL25302.html

[yunqing]

没有搜索到答案，还是开case吧

[wuhao0015]

bug 升级。。。

[18653465190]

12.2的版本，感觉低啊