code: func (l *LogReduction) ClearID(parentID string) {
  	l.errorMapLock.Lock()
  	defer l.errorMapLock.Unlock()
  	delete(l.lastError, parentID)
  	delete(l.errorPrinted, parentID)
  }
docs: // ClearID clears out log reduction records pertaining to a particular parent
  // (e. g. container ID)