5.2.1-RC2: CardBus RealTek 8139 based NIC stop working during cvsup

[M. Warner Losh]

In message: <4032957C.4040006 at yahoo.com>
            Rostislav Krasny <rosti_bsd at yahoo.com> writes:
: 1. run /etc/rc.d/netif restart
: or
: 2. enable or disable promiscuous mode on the NIC by running or stoping 
: tcpdump.

ifconfig rl0 down; ifconfig rl0 up also fixes it.  I have similar
issues, but don't have the time right now to track them down.

Warner