4206  gettid() = 4206
4206  +++ exited with 0 +++
4203  --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4206, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
4212  gettid() = 2 /* 4212 in strace's PID NS */
4212  +++ exited with 0 +++
4203  --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4212, si_uid=65534, si_status=0, si_utime=0, si_stime=0} ---
4223  gettid() = 3 /* 4223 in strace's PID NS */
4223  +++ exited with 0 +++
4203  --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4223, si_uid=65534, si_status=0, si_utime=0, si_stime=0} ---
4239  gettid() = 4 /* 4239 in strace's PID NS */
4239  +++ exited with 0 +++
4203  --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4239, si_uid=65534, si_status=0, si_utime=0, si_stime=0} ---
4255  gettid() = 5 /* 4255 in strace's PID NS */
4255  +++ exited with 0 +++
4203  --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4255, si_uid=65534, si_status=0, si_utime=0, si_stime=0} ---
4203  +++ exited with 0 +++
4209  +++ exited with 0 +++
