EXIT_FAIL_OPTION 60 samples/bpf/xdp_redirect_cpu_user.c #define EXIT_FAIL_OPTION 2 EXIT_FAIL_OPTION 42 samples/bpf/xdp_rxq_info_user.c #define EXIT_FAIL_OPTION 2 EXIT_FAIL_OPTION 51 tools/testing/selftests/bpf/test_libbpf_open.c #define EXIT_FAIL_OPTION 2