10231 gettid() = 10231
10231 +++ exited with 0 +++
10236 gettid() = 2 /* 10236 in strace's PID NS */
10236 +++ exited with 0 +++
10243 gettid() = 3 /* 10243 in strace's PID NS */
10243 +++ exited with 0 +++
10246 gettid() = 4 /* 10246 in strace's PID NS */
10246 +++ exited with 0 +++
10252 gettid() = 5 /* 10252 in strace's PID NS */
10252 +++ exited with 0 +++
