OK, I missed the previous discussion on this subject [1][2]. Given that both upstream and Andreas (our maintainer) are against it, we probably just have to live with the fact Tumbleweed container does not run on host with an old environment. [1] https://sourceware.org/pipermail/libc-alpha/2020-November/119955.html [2] https://lore.kernel.org/linux-api/87lfer2c0b.fsf@oldenburg2.str.redhat.com/T/#u