xsk_update_xskmap
ret = xsk_update_xskmap(ifobject->xskmap, ifobject->xsk_arr[i].xsk, i);
err = xsk_update_xskmap(ifobject->xskmap, ifobject->xsk->xsk, 0);
ret = xsk_update_xskmap(test->ifobj_rx->xskmap, test->ifobj_rx->xsk->xsk, 0);
int xsk_update_xskmap(struct bpf_map *map, struct xsk_socket *xsk, u32 index);