On Sat, Dec 26, 2009 at 12:07:11AM +0300, Владимир wrote:
> # brctl show
> bridge name	bridge id		STP enabled	interfaces
> breth0		8000.0023549c4dc4	no		eth0
> 							vnet0

Ещё попробуйте сделать:

echo 0 > /proc/sys/net/bridge/bridge-nf-call-iptables
echo 0 > /proc/sys/net/bridge/bridge-nf-call-ip6tables
echo 0 > /proc/sys/net/bridge/bridge-nf-call-arptables