ip tuntap add name tap99 mode tap user $SUDO_USER
ip link set tap99 up
ip addr add 192.168.69.100/24 dev tap99
ip -6 addr add fe80::100/64 dev tap99
ip -6 addr add fdaa::100/64 dev tap99
ip -6 route add fe80::/64 dev tap99
ip -6 route add fdaa::/64 dev tap99
