Bonding mit Ubuntu 14.04 LTS

auto eth0
allow-bond0 eth0
iface eth0 inet manual
bond-master bond0

auto eth1
allow-bond0 eth1
iface eth1 inet manual
bond-master bond0

auto bond0
iface bond0 inet static
        address 192.0.2.2
        netmask 255.255.255.0
        bond-mode active-backup
        bond-primary eth0 eth1
        bond-slaves eth0 eth1
        bond-downdelay 200
        bond-updelay 200
        bond-miimon 100
        pre-up (sleep 5 && ifup eth0) &
        pre-up (sleep 5 && ifup eth1) &