udp-ping main data-structure.
API main structure, used by both vpp and binary API clients.
void ip46_udp_ping_set_flow(ip46_address_t src, ip46_address_t dst, u16 start_src_port, u16 end_src_port, u16 start_dst_port, u16 end_dst_port, u16 interval, u8 fault_det, u8 is_disable)