MAP_DEVMAP_XMIT_MULTI
for (int i = 0; i < MAP_DEVMAP_XMIT_MULTI; i++) {
sample_map[MAP_DEVMAP_XMIT_MULTI] = maps[MAP_DEVMAP_XMIT_MULTI];
for (int i = 0; i < MAP_DEVMAP_XMIT_MULTI; i++) {
if (map_collect_percpu_devmap(bpf_map__fd(sample_map[MAP_DEVMAP_XMIT_MULTI]), rec) < 0)