nodeLiveFieldExtract "cnos" res =
  jsonHead (rpcResNodeInfoHvInfo res) hvInfoCpuDom0
nodeLiveFieldExtract "cnos" res =
  jsonHead (rpcResNodeInfoHvInfo res) hvInfoCpuDom0
nodeLiveFieldExtract "cnos" res =
  jsonHead (rpcResNodeInfoHvInfo res) hvInfoCpuDom0