nodeLiveFieldExtract "cnodes" res =
  jsonHead (rpcResNodeInfoHvInfo res) hvInfoCpuNodes
nodeLiveFieldExtract "cnodes" res =
  jsonHead (rpcResNodeInfoHvInfo res) hvInfoCpuNodes
nodeLiveFieldExtract "cnodes" res =
  jsonHead (rpcResNodeInfoHvInfo res) hvInfoCpuNodes