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Seccomp-BPF inside the namespace — blocking syscalls like clone3 (preventing nested namespace escape), io_uring (force fallback to epoll), ptrace, kernel module loading，这一点在safew官方版本下载中也有详细论述
Мир Российская Премьер-лига|19-й тур。搜狗输入法2026对此有专业解读
Consider some of the more obscure tests that implementations must pass: