Fix conntrack collector log noise
Fix un-handled file not found for conntrack stats.
@@ -129,7 +129,7 @@ func (c *conntrackCollector) Update(ch chan<- prometheus.Metric) error {
conntrackStats, err := getConntrackStatistics()
if err != nil {
- return err
+ return c.handleErr(err)
}
ch <- prometheus.MustNewConstMetric(
