func (eni *ENIAttachment) HasExpired() bool {
	eni.guard.RLock()
	defer eni.guard.RUnlock()

	return time.Now().After(eni.ExpiresAt)
}
func (eni *ENIAttachment) HasExpired() bool {
	eni.guard.RLock()
	defer eni.guard.RUnlock()

	return time.Now().After(eni.ExpiresAt)
}
// HasExpired returns true if the ENI attachment object has exceeded the
// threshold for notifying the backend of the attachment