/interface 6to4 add !keepalive local-address=x.x.x.x mtu=1480 name=6to4-tunnel1 remote-address=
193.0.203.203 /ipv6 address add address=2a03:e2c0:da9::2/64 interface=6to4-tunnel1
/ipv6 route add distance=1 dst-address=2000::/3 gateway=2a03:e2c0:da9::1
/ipv6 address add address=2a03:e2c0:da9:5555::/64 interface=bridge advertise=yes