SEG6_ATTR_DST
[SEG6_ATTR_DST] = { .type = NLA_BINARY,
if (!info->attrs[SEG6_ATTR_DST])
val = nla_data(info->attrs[SEG6_ATTR_DST]);
if (nla_put(msg, SEG6_ATTR_DST, sizeof(struct in6_addr), tun_src))