smartos@ovh ipv6

Main doc + leased /56 from ovh:

# ipadm create-addr -t -T addrconf <nic>/v6a
# ipadm create-addr -t -T static -a <ipv6-address>/56 <nic>/v6s
# route add -inet6 default <your-ipv6-zone + FF octets> // in my case 2001:41d0:a:2dff:ff:ff:ff:ff