27743 gettid() = 27743
27743 +++ exited with 0 +++
27724 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27743, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
27746 gettid() = 2 /* 27746 in strace's PID NS */
27746 +++ exited with 0 +++
27724 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27746, si_uid=65534, si_status=0, si_utime=0, si_stime=0} ---
27770 gettid() = 3 /* 27770 in strace's PID NS */
27770 +++ exited with 0 +++
27724 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27770, si_uid=65534, si_status=0, si_utime=0, si_stime=0} ---
27794 gettid() = 4 /* 27794 in strace's PID NS */
27794 +++ exited with 0 +++
27724 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27794, si_uid=65534, si_status=0, si_utime=0, si_stime=0} ---
27811 gettid() = 5 /* 27811 in strace's PID NS */
27811 +++ exited with 0 +++
27724 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27811, si_uid=65534, si_status=0, si_utime=0, si_stime=0} ---
27724 +++ exited with 0 +++
27745 +++ exited with 0 +++