PVE 内 LXC 运行 docker 的用户暂时不要更新 containerd.io_2.1.5-1

如果已经升级后 docker 无法启动

可以使用 apt install -y --allow-downgrades containerd.io=1.7.28-1~debian.13~trixie 进行降级

或者修改 /etc/pve/lxc 文件夹内配置文件，添加一行 lxc.apparmor.profile: unconfined 即可（有安全风险）

参考： Docker inside LXC (net.ipv4.ip_unprivileged_port_start error)

CVE-2025-52881: fd reopening causes issues with AppArmor profiles
#PVE #Docker
https://www.v2ex.com/t/1172536
Proxmox Support Forum
[SOLVED] - Docker inside LXC (net.ipv4.ip_unprivileged_port_start...
@lynze Could you add the link to solution in the head post. https://github.com/opencontainers/runc/issues/4968

It’s a workaround. Is not a solution for the moment.
 
 
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