anchor.diff:            export PATH="/bin:/sbin:/usr/bin:/usr/sbin:$PATH"
             exec ${cfg.package}/bin/kubelet \
               --api-servers=${concatMapStringsSep "," (f: "http://${f}") cfg.kubelet.apiServers}  \
  +            --register-node=${if cfg.kubelet.registerNode then "true" else "false"} \
               --address=${cfg.kubelet.address} \
               --port=${toString cfg.kubelet.port} \
               --hostname-override=${cfg.kubelet.hostname} \
  
positive.code: 
        cadvisorPort = mkOption {
          description = "Kubernetes kubelet local cadvisor port.";
          default = config.services.cadvisor.port;
          type = types.int;
        };
  
  
negative.code:       enable = mkOption {
          description = "Whether to enable kubernetes kubelet.";
          default = false;
          type = types.bool;
        };
  
        registerNode = mkOption {
          description = "Whether to auto register kubelet with API server.";
          default = true;
          type = types.bool;
        };
  
  