test_ns_current_pid_tgid_new_ns
test_ns_current_pid_tgid_new_ns(test_current_pid_tgid_tp, NULL);
test_ns_current_pid_tgid_new_ns(test_current_pid_tgid_cgrp, &cgroup_fd);
test_ns_current_pid_tgid_new_ns(test_current_pid_tgid_sk_msg, NULL);