exception_cnt_map_fd 51 samples/bpf/xdp_redirect_cpu_user.c static int exception_cnt_map_fd; exception_cnt_map_fd 484 samples/bpf/xdp_redirect_cpu_user.c fd = exception_cnt_map_fd; exception_cnt_map_fd 643 samples/bpf/xdp_redirect_cpu_user.c exception_cnt_map_fd = exception_cnt_map_fd 663 samples/bpf/xdp_redirect_cpu_user.c exception_cnt_map_fd < 0)