How to display trapbuffer command the determine port down up state

<huawei>dis trapbuffer 

Trapping Buffer Configuration  LS-S2318TP-EI-AC    and contents:

enabled

allowed max buffer size : 1024

actual buffer size : 256

channel number : 3 , channel name : trapbuffer

dropped messages : 0

overwritten messages : 3148

current messages : 256

#Jan 12 21:40:37 2014 huawei CMD/4/SUPER_CHANGE_SUCCESS:OID 1.3.6.1.4.1.2011.5.25.37.2.136 Super change successful.

#Jan 12 10:52:42 2014 huawei IFNET/4/IF_PVCDOWN:OID 1.3.6.1.6.3.1.1.5.3 Interface 58 turned into DOWN state.

#Jan 12 10:52:08 2014 huawei CMD/4/SUPER_CHANGE_SUCCESS:OID 1.3.6.1.4.1.2011.5.25.37.2.136 Super change successful.

#Jan 12 10:20:42 2014 huawei IFNET/4/IF_PVCDOWN:OID 1.3.6.1.6.3.1.1.5.3 Interface 23 turned into DOWN state.

#Jan 12 10:19:32 2014 huawei IFNET/4/IF_PVCUP:OID 1.3.6.1.6.3.1.1.5.4 Interface 23 turned into UP state.

#Jan 12 10:09:59 2014 huawei CMD/4/SUPER_CHANGE_SUCCESS:OID 1.3.6.1.4.1.2011.5.25.37.2.136 Super change successful.

#Jan 12 10:04:56 2014 huawei IFNET/4/IF_PVCUP:OID 1.3.6.1.6.3.1.1.5.4 Interface 58 turned into UP state.

#Jan 12 09:36:54 2014 huawei CMD/4/SUPER_CHANGE_SUCCESS:OID 1.3.6.1.4.1.2011.5.25.37.2.136 Super change successful.

#Jan 12 05:47:16 2014 huawei CMD/4/SUPER_CHANGE_SUCCESS:OID 1.3.6.1.4.1.2011.5.25.37.2.136 Super change successful.

#Jan 12 05:44:11 2014 huawei IFNET/4/IF_PVCDOWN:OID 1.3.6.1.6.3.1.1.5.3 Interface 58 turned into DOWN state.

#Jan 12 05:43:45 2014 huawei IFNET/4/IF_PVCDOWN:OID 1.3.6.1.6.3.1.1.5.3 Interface 23 turned into DOWN state.

#Jan 12 05:27:02 2014 huawei IFNET/4/IF_PVCUP:OID 1.3.6.1.6.3.1.1.5.4 Interface 58 turned into UP state.

#Jan 12 05:20:43 2014 huawei BASETRAP/1/ENTITYINVALID: OID 1.3.6.1.4.1.2011.5.25.129.2.1.9 Physical entity failed. (EntityPhysicalIndex=48, BaseTrapSeverity=4, BaseTrapProbableCause=67696, BaseTrapEventType=5, EntPhysicalContainedIn=20, EntPhysicalName="GigabitEthernet1/0/14", RelativeResource="", ReasonDescription="Overhigh receiving power of the optical module")

#Jan 12 05:18:39 2014 huawei IFNET/4/IF_PVCDOWN:OID 1.3.6.1.6.3.1.1.5.3 Interface 21 turned into DOWN state.

#Jan 12 05:14:04 2014 huawei CMD/4/SUPER_CHANGE_SUCCESS:OID 1.3.6.1.4.1.2011.5.25.37.2.136 Super change successful.

#Jan 12 05:13:23 2014 huawei CMD/4/SUPER_CHANGE_SUCCESS:OID 1.3.6.1.4.1.2011.5.25.37.2.136 Super change successful.

#Jan 11 23:51:04 2014 huawei  LS-S2318TP-SI-AC   IFNET/4/IF_PVCUP:OID 1.3.6.1.6.3.1.1.5.4 Interface 52 turned into UP state.