setupns.sh

#!/bin/bash

DEV1="swp0"
DEV2="swp1"

sudo ip netns add ns1
sudo ip netns add ns2
sudo ip link set netns ns1 dev $DEV1
sudo ip link set netns ns2 dev $DEV2
sudo ip netns exec ns1 ip a a 192.168.10.11/24 dev $DEV1
sudo ip netns exec ns2 ip a a 192.168.10.12/24 dev $DEV2
sudo ip netns exec ns1 ip l set $DEV1 up
sudo ip netns exec ns2 ip l set $DEV2 up