28427 gettid() = 28427
28427 +++ exited with 0 +++
28426 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28427, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
28430 gettid() = 2 /* 28430 in strace's PID NS */
28430 +++ exited with 0 +++
28426 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28430, si_uid=65534, si_status=0, si_utime=0, si_stime=0} ---
28441 gettid() = 3 /* 28441 in strace's PID NS */
28441 +++ exited with 0 +++
28426 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28441, si_uid=65534, si_status=0, si_utime=0, si_stime=0} ---
28450 gettid() = 4 /* 28450 in strace's PID NS */
28450 +++ exited with 0 +++
28426 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28450, si_uid=65534, si_status=0, si_utime=0, si_stime=0} ---
28460 gettid() = 5 /* 28460 in strace's PID NS */
28460 +++ exited with 0 +++
28426 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28460, si_uid=65534, si_status=0, si_utime=0, si_stime=0} ---
28426 +++ exited with 0 +++
28429 +++ exited with 0 +++