BPF_MAP_GET_FD_BY_ID
if (CHECK_ATTR(BPF_MAP_GET_FD_BY_ID) ||
case BPF_MAP_GET_FD_BY_ID:
case BPF_MAP_GET_FD_BY_ID:
fd = sys_bpf_fd(BPF_MAP_GET_FD_BY_ID, &attr, attr_sz);
return skel_sys_bpf(BPF_MAP_GET_FD_BY_ID, &attr, attr_sz);
outer_fd = bpf_sys_bpf(BPF_MAP_GET_FD_BY_ID, attr, attr_sz);