7860  ioctl(3, NS_GET_USERNS) = 4
7861  ioctl(-1, BLKBSZGET, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKBSZSET, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKFRAGET, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKGETSIZE, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKGETSIZE64, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKPG, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKRAGET, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKROGET, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKROSET, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKSECTGET, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKSECTGET, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKSSZGET, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKALIGNOFF, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKDISCARD, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKDISCARDZEROES, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKIOMIN, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKIOOPT, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKPBSZGET, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKROTATIONAL, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKSECDISCARD, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKZEROOUT, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKGETDISKSEQ, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKTRACESETUP, NULL) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKRASET, 16045690984232390125) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKFRASET, 16045690984232390125) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKROSET, [-559038737]) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKBSZSET, [-559038737]) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKDISCARD, [16045690984232390125, 18072662651950788621]) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKSECDISCARD, [16045690984232390125, 18072662651950788621]) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKZEROOUT, [16045690984232390125, 18072662651950788621]) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKPG, {op=BLKPG_RESIZE_PARTITION, flags=-559038737, datalen=-1159983635, data=0xcafef00dfffffeed}) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKPG, {op=BLKPG_ADD_PARTITION, flags=-559038737, datalen=-1159983635, data={start=-377740712154513676, length=-376614795067539720, pno=-559038737, devname="AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"..., volname="BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB"...}}) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKTRACESETUP, {act_mask=41376, buf_size=2812716452, buf_nr=2880088488, start_lba=13237967942415724976, end_lba=13816689325120338360, pid=7861}) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKRRPART) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKFLSBUF) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKTRACESTART) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKTRACESTOP) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, BLKTRACETEARDOWN) = -1 EBADF (Bad file descriptor)
7861  ioctl(-1, _IOC(_IOC_READ, 0x12, 0xfe, 0xff), 0xdeadbeefbadc0ded) = -1 EBADF (Bad file descriptor)
7861  +++ exited with 0 +++
7860  --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7861, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
7864  ioctl(-1, BLKBSZGET, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKBSZSET, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKFRAGET, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKGETSIZE, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKGETSIZE64, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKPG, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKRAGET, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKROGET, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKROSET, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKSECTGET, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKSECTGET, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKSSZGET, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKALIGNOFF, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKDISCARD, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKDISCARDZEROES, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKIOMIN, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKIOOPT, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKPBSZGET, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKROTATIONAL, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKSECDISCARD, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKZEROOUT, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKGETDISKSEQ, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKTRACESETUP, NULL) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKRASET, 16045690984232390125) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKFRASET, 16045690984232390125) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKROSET, [-559038737]) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKBSZSET, [-559038737]) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKDISCARD, [16045690984232390125, 18072662651950788621]) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKSECDISCARD, [16045690984232390125, 18072662651950788621]) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKZEROOUT, [16045690984232390125, 18072662651950788621]) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKPG, {op=BLKPG_RESIZE_PARTITION, flags=-559038737, datalen=-1159983635, data=0xcafef00dfffffeed}) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKPG, {op=BLKPG_ADD_PARTITION, flags=-559038737, datalen=-1159983635, data={start=-377740712154513676, length=-376614795067539720, pno=-559038737, devname="AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"..., volname="BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB"...}}) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKTRACESETUP, {act_mask=41376, buf_size=2812716452, buf_nr=2880088488, start_lba=13237967942415724976, end_lba=13816689325120338360, pid=2 /* 7864 in strace's PID NS */}) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKRRPART) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKFLSBUF) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKTRACESTART) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKTRACESTOP) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, BLKTRACETEARDOWN) = -1 EBADF (Bad file descriptor)
7864  ioctl(-1, _IOC(_IOC_READ, 0x12, 0xfe, 0xff), 0xdeadbeefbadc0ded) = -1 EBADF (Bad file descriptor)
7864  +++ exited with 0 +++
7860  --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7864, si_uid=65534, si_status=0, si_utime=0, si_stime=0} ---
7869  ioctl(-1, BLKBSZGET, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKBSZSET, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKFRAGET, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKGETSIZE, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKGETSIZE64, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKPG, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKRAGET, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKROGET, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKROSET, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKSECTGET, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKSECTGET, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKSSZGET, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKALIGNOFF, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKDISCARD, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKDISCARDZEROES, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKIOMIN, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKIOOPT, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKPBSZGET, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKROTATIONAL, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKSECDISCARD, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKZEROOUT, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKGETDISKSEQ, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKTRACESETUP, NULL) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKRASET, 16045690984232390125) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKFRASET, 16045690984232390125) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKROSET, [-559038737]) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKBSZSET, [-559038737]) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKDISCARD, [16045690984232390125, 18072662651950788621]) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKSECDISCARD, [16045690984232390125, 18072662651950788621]) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKZEROOUT, [16045690984232390125, 18072662651950788621]) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKPG, {op=BLKPG_RESIZE_PARTITION, flags=-559038737, datalen=-1159983635, data=0xcafef00dfffffeed}) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKPG, {op=BLKPG_ADD_PARTITION, flags=-559038737, datalen=-1159983635, data={start=-377740712154513676, length=-376614795067539720, pno=-559038737, devname="AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"..., volname="BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB"...}}) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKTRACESETUP, {act_mask=41376, buf_size=2812716452, buf_nr=2880088488, start_lba=13237967942415724976, end_lba=13816689325120338360, pid=3 /* 7869 in strace's PID NS */}) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKRRPART) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKFLSBUF) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKTRACESTART) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKTRACESTOP) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, BLKTRACETEARDOWN) = -1 EBADF (Bad file descriptor)
7869  ioctl(-1, _IOC(_IOC_READ, 0x12, 0xfe, 0xff), 0xdeadbeefbadc0ded) = -1 EBADF (Bad file descriptor)
7869  +++ exited with 0 +++
7860  --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7869, si_uid=65534, si_status=0, si_utime=0, si_stime=0} ---
7874  ioctl(-1, BLKBSZGET, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKBSZSET, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKFRAGET, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKGETSIZE, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKGETSIZE64, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKPG, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKRAGET, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKROGET, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKROSET, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKSECTGET, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKSECTGET, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKSSZGET, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKALIGNOFF, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKDISCARD, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKDISCARDZEROES, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKIOMIN, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKIOOPT, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKPBSZGET, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKROTATIONAL, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKSECDISCARD, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKZEROOUT, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKGETDISKSEQ, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKTRACESETUP, NULL) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKRASET, 16045690984232390125) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKFRASET, 16045690984232390125) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKROSET, [-559038737]) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKBSZSET, [-559038737]) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKDISCARD, [16045690984232390125, 18072662651950788621]) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKSECDISCARD, [16045690984232390125, 18072662651950788621]) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKZEROOUT, [16045690984232390125, 18072662651950788621]) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKPG, {op=BLKPG_RESIZE_PARTITION, flags=-559038737, datalen=-1159983635, data=0xcafef00dfffffeed}) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKPG, {op=BLKPG_ADD_PARTITION, flags=-559038737, datalen=-1159983635, data={start=-377740712154513676, length=-376614795067539720, pno=-559038737, devname="AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"..., volname="BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB"...}}) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKTRACESETUP, {act_mask=41376, buf_size=2812716452, buf_nr=2880088488, start_lba=13237967942415724976, end_lba=13816689325120338360, pid=4 /* 7874 in strace's PID NS */}) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKRRPART) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKFLSBUF) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKTRACESTART) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKTRACESTOP) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, BLKTRACETEARDOWN) = -1 EBADF (Bad file descriptor)
7874  ioctl(-1, _IOC(_IOC_READ, 0x12, 0xfe, 0xff), 0xdeadbeefbadc0ded) = -1 EBADF (Bad file descriptor)
7874  +++ exited with 0 +++
7860  --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7874, si_uid=65534, si_status=0, si_utime=0, si_stime=0} ---
7876  ioctl(-1, BLKBSZGET, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKBSZSET, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKFRAGET, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKGETSIZE, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKGETSIZE64, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKPG, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKRAGET, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKROGET, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKROSET, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKSECTGET, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKSECTGET, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKSSZGET, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKALIGNOFF, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKDISCARD, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKDISCARDZEROES, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKIOMIN, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKIOOPT, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKPBSZGET, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKROTATIONAL, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKSECDISCARD, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKZEROOUT, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKGETDISKSEQ, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKTRACESETUP, NULL) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKRASET, 16045690984232390125) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKFRASET, 16045690984232390125) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKROSET, [-559038737]) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKBSZSET, [-559038737]) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKDISCARD, [16045690984232390125, 18072662651950788621]) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKSECDISCARD, [16045690984232390125, 18072662651950788621]) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKZEROOUT, [16045690984232390125, 18072662651950788621]) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKPG, {op=BLKPG_RESIZE_PARTITION, flags=-559038737, datalen=-1159983635, data=0xcafef00dfffffeed}) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKPG, {op=BLKPG_ADD_PARTITION, flags=-559038737, datalen=-1159983635, data={start=-377740712154513676, length=-376614795067539720, pno=-559038737, devname="AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"..., volname="BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB"...}}) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKTRACESETUP, {act_mask=41376, buf_size=2812716452, buf_nr=2880088488, start_lba=13237967942415724976, end_lba=13816689325120338360, pid=5 /* 7876 in strace's PID NS */}) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKRRPART) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKFLSBUF) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKTRACESTART) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKTRACESTOP) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, BLKTRACETEARDOWN) = -1 EBADF (Bad file descriptor)
7876  ioctl(-1, _IOC(_IOC_READ, 0x12, 0xfe, 0xff), 0xdeadbeefbadc0ded) = -1 EBADF (Bad file descriptor)
7876  +++ exited with 0 +++
7860  --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7876, si_uid=65534, si_status=0, si_utime=0, si_stime=0} ---
7860  +++ exited with 0 +++
7863  +++ exited with 0 +++
