// Kernel Version reported by the node from 'uname -r' (e.g. 3.16.0-0.bpo.4-amd64).
  optional string kernelVersion = 4;

  // OS Image reported by the node from /etc/os-release (e.g. Debian GNU/Linux 7 (wheezy)).
  optional string osImage = 5;

  // ContainerRuntime Version reported by the node through runtime remote API (e.g. containerd://1.4.2).
  optional string containerRuntimeVersion = 6;