how to config userspace-cni about vhost-user engine without vpp about userspace-cni-network-plugin

[rkamudhan]

@shunianyin Please refere the
https://github.com/intel/container-experience-kits-demo-area/tree/master/demo

[shunianyin]

{
"name": "multus-demo-network",
"type": "multus",
"delegates": [
{
"cniVersion": "0.3.1",
"type": "userspace",
"name": "vhost-network",
"host": {
"engine": "ovs-dpdk",
"iftype": "vhostuser"
},
"ipam": {
"type": "host-local",
"subnet": "10.56.217.0/24",
"rangeStart": "10.56.217.131",
"rangeEnd": "10.56.217.190",
"routes": [
{
"dst": "0.0.0.0/0"
}
],
"gateway": "10.56.217.1"
}
}
]
}

the multus conf is wrong ? I use it as kubernetes master network，bug when i created pod, the log show "failed to read pod IP from plugin/docker: NetworkPlugin cni failed on the status hook for pod xxx : Unexpected command output Device 'eth0' dose not exist"