[ofw] Access Violation while running ND test over winverb

[Hefty, Sean]

> Hi we run ND test over winverb, in same time the port change its status
> from up to down and we got the following access violation. Is it a known
> issue? If so do we have a fix for it? If no is there is any chances that
> winverb owner will take look on it.

This is the first time this issue has been reported.  I'll take a look at it.