confirmed this bug on ubuntu 14.04.5 (ovs 2.5.9, openstack mitaka): ### ifcfg-br-mesh ### auto br-mesh allow-ovs br-mesh iface br-mesh inet static ovs_type OVSBridge ovs_ports ens5 address 192.168.2.4/24 ovs_extra set Bridge br-mesh datapath_type=netdev
### ifcfg-ens5 ### allow-br-mesh ens5 iface ens5 inet manual ovs_type DPDKOVSPort ovs_bridge br-mesh dpdk_port dpdk0
confirmed this bug on ubuntu 14.04.5 (ovs 2.5.9, openstack mitaka): type=netdev
### ifcfg-br-mesh ###
auto br-mesh
allow-ovs br-mesh
iface br-mesh inet static
ovs_type OVSBridge
ovs_ports ens5
address 192.168.2.4/24
ovs_extra set Bridge br-mesh datapath_
### ifcfg-ens5 ###
allow-br-mesh ens5
iface ens5 inet manual
ovs_type DPDKOVSPort
ovs_bridge br-mesh
dpdk_port dpdk0