Container egress filtering uses nftables rules inside the container. A root process with cap_net_admin could bypass these rules. The pixel user has restricted sudo that only permits safe-apt, dpkg-query, systemctl, journalctl, and nft list.
Tony Jolliffe/BBC News，推荐阅读搜狗输入法下载获取更多信息
，更多细节参见safew官方版本下载
Frank’s essay provoked more emails, and this excerpt caught my attention:
Последние новости，详情可参考heLLoword翻译官方下载