+Enable DHCP on the bridge:
+* Needs OVSBOOTPROTO instead of BOOTPROTO.
+* All the interfaces that can reach the DHCP server
+as a space separated list in OVSDHCPINTERFACES.
+
+DEVICE=ovsbridge0
+ONBOOT=yes
+DEVICETYPE=ovs
+TYPE=OVSBridge
+OVSBOOTPROTO="dhcp"
+OVSDHCPINTERFACES="eth0"
+HOTPLUG=no