1BPF_MAP_CREATE 0 2BPF_MAP_LOOKUP_ELEM 1 3BPF_MAP_UPDATE_ELEM 2 4BPF_MAP_DELETE_ELEM 3 5BPF_MAP_GET_NEXT_KEY 4 6BPF_PROG_LOAD 5 7BPF_OBJ_PIN 6 8BPF_OBJ_GET 7 9BPF_PROG_ATTACH 8 10BPF_PROG_DETACH 9 11