create brdige from ethX to brX

create_bridge.sh

for iface in /etc/sysconfig/network-scripts/ifcfg-eth*; do
  iface_name=`egrep "^DEVICE=" $iface`
  iface_no=${iface_name##DEVICE=eth}
  iface_br=ifcfg-br${iface_no}
  cp $iface $iface_br
  sed -i -e "s/^DEVICE=eth${iface_no}/DEVICE=br${iface_no}/g" $iface_br
  sed -i -e 's/^HWADDR=/#HWADDR=/g' $iface_br
  echo "TYPE=Bridge" >> $iface_br

  sed -i -e "s/^BOOTPROTO=/#BOOTPROTO=/g" $iface
  sed -i -e 's/^BROADCAST=/#BROADCAST=/g' $iface
  sed -i -e 's/^IPADDR=/#IPADDR=/g' $iface
  sed -i -e 's/^NETMASK=/#NETMASK=/g' $iface
  sed -i -e 's/^NETWORK=/#NETWORK=/g' $iface
  sed -i -e 's/^DNS1=/#DNS1=/g' $iface
  echo "BRIDGE=br${iface_no}" >> $iface
done