Xen: Create bridge manually with the bond0

ifcfg-eth0

DEVICE=eth0
BOOTPROTO=none
ONBOOT=yes
MASTER=bond0
SLAVE=yes
ISALIAS=no

ifcfg-eth1

DEVICE=eth1
BOOTPROTO=none
ONBOOT=yes
MASTER=bond0
SLAVE=yes
ISALIAS=no

ifcfg-eth1

DEVICE=bond0
BOOTPROTO=none
BONDING_OPTS="mode=1 miimon=100"
ONBOOT=yes
BRIDGE=xenbr0

ifcfg-xenbr0

DEVICE=xenbr0
BOOTPROTO=static
IPADDR=x.x.x.x
NETMASK=x.x.x.x
ONBOOT=yes
TYPE=bridge

vi /etc/xen/xend-config.sxp
Comment out ALL (network-script network-bridge)

service xend restart
service network restart