19742 gettid() = 19742
19742 +++ exited with 0 +++
19748 gettid() = 2 /* 19748 in strace's PID NS */
19748 +++ exited with 0 +++
19764 gettid() = 3 /* 19764 in strace's PID NS */
19764 +++ exited with 0 +++
19778 gettid() = 4 /* 19778 in strace's PID NS */
19778 +++ exited with 0 +++
19793 gettid() = 5 /* 19793 in strace's PID NS */
19793 +++ exited with 0 +++
