if t1.Time.IsZero() || t2.Time.IsZero() {
		return t1.Time.IsZero()
	}
	return t1.After(t2.Time)
}

// logarithmicRankDiff calculates the base-2 logarithmic ranks of 2 timestamps,
// compared to the current timestamp
func logarithmicRankDiff(t1, t2, now metav1.Time) int64 {
	d1 := now.Sub(t1.Time)
	d2 := now.Sub(t2.Time)
	r1 := int64(-1)
	r2 := int64(-1)
	if d1 > 0 {