return nil, fmt.Errorf("failed to get rootFs info: %v", err)
	}
	imageFsInfo, err := p.cadvisor.ImagesFsInfo()
	if err != nil {
		return nil, fmt.Errorf("failed to get imageFs info: %v", err)
	}
	infos, err := getCadvisorContainerInfo(p.cadvisor)
	if err != nil {
		return nil, fmt.Errorf("failed to get container info from cadvisor: %v", err)
	}

	filteredInfos, allInfos := filterTerminatedContainerInfoAndAssembleByPodCgroupKey(infos)

	resp, err := p.runtimeService.ListContainerStats(ctx, &runtimeapi.ContainerStatsFilter{})
	if err != nil {
		return nil, fmt.Errorf("failed to list all container stats: %v", err)
	}
	allInfos, err := getCadvisorContainerInfo(p.cadvisor)
	if err != nil {
		return nil, fmt.Errorf("failed to fetch cadvisor stats: %v", err)
	}
	caInfos, allInfos := getCRICadvisorStats(allInfos)

	// get network stats for containers.