Tips réseaux
Second bridge
cat /etc/network/interfaceauto vmbr1
iface vmbr1 inet static
address 192.168.122.1
netmask 255.255.255.0
bridge_ports none
bridge_stp off
bridge_fd 0
post-up echo 1 > /proc/sys/net/ipv4/ip_forward
post-up iptables -t nat -A POSTROUTING -s '192.168.122.0/24' -o vmbr0 -j MASQUERADE
post-down iptables -t nat -D POSTROUTING -s '192.168.122.0/24' -o vmbr0 -j MASQUERADE