Setting procedure of bonding.

1) Make or modify the following config file on dom0.
   - /etc/sysconfig/network-scripts/ifcfg-bond0
     TYPE=Bonding
     DEVICE=bond0
     BOOTPROTO=none
     ONBOOT=no

   - /etc/sysconfig/network-scripts/ifcfg-eth1
     DEVICE=eth1
     BOOTPROTO=none
     ONBOOT=no

   - /etc/sysconfig/network-scripts/ifcfg-eth2
     DEVICE=eth2
     BOOTPROTO=none
     ONBOOT=no

   - /etc/modprobe.conf (Add to following two lines.)
     alias bond0 bonding
     options bonding mode=1 arp_interval=100 arp_ip_target=192.168.0.254

2) Run the following command on dom0.
   # brctl addbr xenbr0
   # ip link set xenbr0 arp off
   # ip link set xenbr0 multicast off

   # ip link set eth0 name peth0
   # ip link set eth1 name peth1
   # ip link set veth0 name eth0
   # ip link set veth1 name eth1

   # ifup bond0
   # ifenslave bond0 peth0 peth1
   # ifdown bond0

   # ip link set bond0 down
   # ip link set bond0 arp off
   # ip link set bond0 multicast off
   # ip link set bond0 addr fe:ff:ff:ff:ff:ff

   # ip link set vif0.0 down
   # ip link set vif0.0 arp off
   # ip link set vif0.0 multicast off
   # ip link set vif0.0 addr fe:ff:ff:ff:ff:ff

   # ip link set xenbr0 up
   # brctl addif xenbr0 bond0
   # ip link set bond0 up
   # brctl addif xenbr0 vif0.0
   # ip link set vif0.0 up

   # ip link set eth0 addr 00:16:3e:70:00:03
   # ip link set eth0 arp on
   # ifup eth0
   # ifconfig eth0 192.168.0.1