root@rockpi-4cplus:/home/rock# iptables -t nat -N s
Segmentation fault
root@rockpi-4cplus:/home/rock# uname -a
Linux rockpi-4cplus 4.4.194-3-rk3399-rockchip-gd52271143d64 #1 SMP Thu Jun 23 02:17:09 UTC 2022 aarch64 GNU/Linux
root@rockpi-4cplus:/home/rock# lsb_release -a
No LSB modules are available.
Distributor ID: Debian
Description: Debian GNU/Linux 10 (buster)
Release: 10
Codename: buster
Iptables -t nat -N DOCKER - Segmentation fault
because debian don’t use iptables as default, you can switch to iptables normal, but I forget the command