code: func (task *Task) dockerCPUShares(containerCPU uint) int64 {
  	if containerCPU <= 1 {
  		seelog.Debugf(
  			"Converting CPU shares to allowed minimum of 2 for task arn: [%s] and cpu shares: %d",
  			task.Arn, containerCPU)
  		return 2
  	}
  	return int64(containerCPU)
  }
docs: // duplicate of dockerCPUShares in task_linux.go