return nil
		}

		p, err := procfs.Self()
		if err != nil {
			internalLogOnceIf(ctx, err, string(nodeMetricNamespace))
			return
		}

		openFDs, _ := p.FileDescriptorsLen()
		l, _ := p.Limits()
		io, _ := p.IO()
		stat, _ := p.Stat()
		startTime, _ := stat.StartTime()

		metrics = make([]MetricV2, 0, 20)

		if openFDs > 0 {
			metrics = append(metrics,