log.Warnf("failed to read proc %v stats: %v", p.PID, err)
			if best == "" {
				best = ns
			}
			continue
		}
		// Get the oldest one.
		if s.Starttime < oldest {
			oldest = s.Starttime
			best = ns
		}
	}
	if best == "" {
		return "", fmt.Errorf("failed to find network namespace")
	}
	return best, nil

  // Defaults to 30 seconds.
  // +optional
  optional int64 terminationGracePeriodSeconds = 4;

  // Optional duration in seconds the carp may be active on the node relative to
  // StartTime before the system will actively try to mark it failed and kill associated containers.
  // Value must be a positive integer.
  // +optional
  optional int64 activeDeadlineSeconds = 5;

}

func (client mockPromAPI) Config(ctx context.Context) (promv1.ConfigResult, error) {
	return promv1.ConfigResult{}, nil
}

func (client mockPromAPI) DeleteSeries(ctx context.Context, matches []string, startTime time.Time, endTime time.Time) error {
	return nil
}

func (client mockPromAPI) Flags(ctx context.Context) (promv1.FlagsResult, error) {
	return nil, nil
}