bce(4) network wierdness

[David Christensen]

> Periodically (initially I thought it was related to bgfsck) but
> I've just had the problem again after 6 days of uptime with no
> provocation.
>
> I get massive packet loss and out of order delivery as evidenced below.
>

What's the FreeBSD release?  Some of the 6.X releases had a problem
when an mbuf was fragmented into too many pieces that was later fixed
in the RELENG_6 branch (version 1.2.2.20).

Dave