[ofiwg] sockets fabtests failure in testing for 1.4.0 release

[Hefty, Sean]

> Ok, so just to be clear: this was a bug in fabtests, and we *don't*
> have a forward incompatibility issue with the sockets provider.  Right?

correct

> If so, are we waiting for this forward compatibility test with MXM,
> UDP, and verbs?  Or releasing without their say-so?

UDP was verified.  I updated the issue, but I would ignore mxm.  Arun has likely already checked verbs, but please let him verify.

- Sean