[ofw] RE: Patch: [ipoib] Make sure that the dlid is zero if it isnot in the list.

[Sean Hefty]

>So multicast endpoints shouldn't need to be in the LID map, though I can't
>imagine a reason why that would be problematic (unless multiple groups map to
>the same LID - though is that even possible?)

I think multiple multicast groups can map to the same MLID, and this is needed
to support IPv6.

- Sean