我正在尝试在 KVM 上的 VM Ubuntu 22.04 上安装 Openstack，如下所示（嵌套 VM 的实现。我正在逐步遵循https://ubuntu.com/tutorials/install-openstack-on-your-workstation-and-launch-your-first-instance
$ free
total used free shared buff/cache available Mem:
16373288 1013824 11315364 1272 4044100 15034988
Swap: 4194300 0 4194300
$ lscpu | grep "CPU\|vendor\|Virtualization"
CPU op-mode(s): 32-bit, 64-bit
CPU(s): 4
On-line CPU(s) list: 0-3
Model name: Intel(R) Core(TM) i7-8700K CPU @ 3.70GHz
CPU family: 6
Virtualization: VT-x
Hypervisor vendor: KVM
Virtualization type: full
NUMA node0 CPU(s): 0-3
但是当我运行时sunbeam cluster bootstrap --accept-defaults，它会收到以下警告信息：
WARNING: Minimum system requirements (4 core CPU, 16 GB RAM) not met.
想知道这是否是警告消息逻辑中的表面错误还是其他需要调查的问题？