egress_fd 419 tools/testing/selftests/bpf/test_sock_fields.c int cgroup_fd, egress_fd, ingress_fd, err; egress_fd 438 tools/testing/selftests/bpf/test_sock_fields.c err = bpf_prog_load_xattr(&attr, &obj, &egress_fd); egress_fd 448 tools/testing/selftests/bpf/test_sock_fields.c err = bpf_prog_attach(egress_fd, cgroup_fd, BPF_CGROUP_INET_EGRESS, 0);