adding rsockets support into JDK

[Chris Hegarty]

> On 17 Dec 2018, at 19:07, Lu, Yingqi <yingqi.lu at intel.com> wrote:
> 
> I already discussed with Sean on this specific issue. He mentioned that even he can propose a fix to the kernel librdmacm module, it would take years to get into majority of the distros. I would recommend to emulate the behavior inside JDK and make use of it.

Sure, but it would be good to have some forward movement on this, so that the Java implementation can remove the workaround at some future point.

-Chris.