IFLA_INFO_DATA for an ipvlan link — the per-kind data inside
IFLA_LINKINFO.
An ipvlan carries a single IFLA_IPVLAN_MODE attribute (a u16 — unlike
macvlan's u32 mode); modes are L2, L3 or L3S
(include/uapi/linux/if_link.h).
Summary
Types
@type t() :: %Linx.Netlink.Rtnl.LinkInfo.Ipvlan{mode: term()}