OME 2.2 manage Dell switch S4048

Sir, 

I have a question about OME 2.2 and switch S4048. When S4048 happen interface down, S4048 sent trap to OME that cannot show correct interface down  as below green mark of picture. 

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I try use MIBBrower tool to get trap from S4048. I can see info as below.

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red mark is right info and OME should  post it.

How can I fix it? 

thanks