[ofw] RE: IBAT allow simultaneous device access

[Sean Hefty]

>Point being, you'll need to handle E_PENDING in DAPL for the genuine in-
>progress case (NlnsIncomplete case for GetIpNetEntry2.)

I think Stan was simply mixing two different error codes -- a failure opening
the file (which was some sort of permission error I think) and an E_PENDING
error.  Code was added to librdmacm to handle E_PENDING, but this patch is
needed to allow opening the file by multiple users.

- Sean