nodeLiveFieldExtract "mnode" res =
  jsonHead (rpcResNodeInfoHvInfo res) hvInfoMemoryDom0
nodeLiveFieldExtract "mnode" res =
  jsonHead (rpcResNodeInfoHvInfo res) hvInfoMemoryDom0
nodeLiveFieldExtract "mnode" res =
  jsonHead (rpcResNodeInfoHvInfo res) hvInfoMemoryDom0