u32 sw_if_index -> vl_api_interface_index_t

u8 ip4_address[4] -> vl_api_ip4_address_t

u8 ip6_address[16] -> vl_api_ip6_address_t

u8 is_ip6

u8 address[16] -> vl_api_address_t

u8 prefix_len

u8 prefix[4/16] -> vl_api_ip4_prefix_t / vl_api_ip6_prefix_t / vl_api_prefix_t

u8 is_<foo> -> bool

u8 name[64] -> string name

u8 mac_address[6] -> vl_api_mac_address_t

u8 data[0]

u32 length -> u8 data[length]