vdup.sh

brctl addbr yabai

ip link set dev yabai up
ip a a 192.168.100.10/24 dev yabai

ip link add y-to-ns1 type veth peer name ns1-to-y
ip link add y-to-ns2 type veth peer name ns2-to-y

ip netns add ns1
ip netns add ns2

ip link set ns1-to-y netns ns1
ip link set ns2-to-y netns ns2

brctl addif yabai y-to-ns1
brctl addif yabai y-to-ns2
ip link set dev y-to-ns1 up
ip link set dev y-to-ns2 up

ip netns exec ns1 ip link set dev ns1-to-y up
ip netns exec ns1 ip addr add 192.168.100.4/24 dev ns1-to-y

ip netns exec ns2 ip link set dev ns2-to-y up
ip netns exec ns2 ip addr add 192.168.100.4/24 dev ns2-to-y # dup!


# delay emu
#tc qdisc add dev y-to-ns2 root netem delay 100ms