[Cake] progress? dual-src/dsthost unfairness

[gamanakis at gmail.com]

> The important thing is that the host_bulk_flow_count values match the
> actual bulk-status and host-reference properties assigned to each flow
> queue.  When a hash collision occurs, the bulk-status of the affected flow
> doesn't change but the hosts to which it refers might do.  In that case
the
> host_bulk_flow_count values must be decremented on the old hosts and
> incremented on the new ones *if* the queue is in the bulk set.

Thanks for the clarification, I think I get it. Have to rewrite that part.