The lxc instance cannot connect

##### ISSUE TYPE

* Bug Report

##### COMPONENT NAME

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##### CLOUDSTACK VERSION

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4.18
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##### CONFIGURATION

##### OS / ENVIRONMENT

ubuntu 22.04.5
##### SUMMARY

I have created an lxc instance【OS：centos 7】 and it appears to have started normally from the system. I used virsh -c lxc:///list on the host to check that lxc is also running. However, when I used virsh -c lxc:///console i-2-3-VM to enter the container instance, I was unable to use it properly. The prompt message is: Failed to create symlink/sys/fs/cgroup/net_cls: Operation not allowed; Did I not set it up properly somewhere;

2、
I logged into the virtual router and pinged the lxc instance's IP address in the virtual router, but it still doesn't work

##### STEPS TO REPRODUCE

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##### EXPECTED RESULTS

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##### ACTUAL RESULTS

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在 Ubuntu 22.04.5 上使用 CloudStack 4.18 重現此問題，使用執行 CentOS 7 的 LXC 執行個體，以及報告中的 virsh console 和 virtual-router 檢查。先從報告的 cgroup 符號連結錯誤和連線失敗開始；完成的標準是記錄原因、必要的設定，以及已驗證的連線能力或已確認的產品缺陷。

由索引模型根據 Issue 內容生成。