[ewg] [PATCH] IB/IPoIB Check if grat. ARP changed had arrived when working in connected mode

[Moni Shoua]

> 
> This patch resolves a critical bug: https://bugs.openfabrics.org/show_bug.cgi?id=878
> 
Eli,
If you have no objection to the patch, could we add it before rc3 is out?

thanks