[    4.040481] (udev-worker) (82) used greatest stack depth: 12600 bytes left
[    4.130098] bpftool (225) used greatest stack depth: 12560 bytes left
[    6.502343] bpftool (252) used greatest stack depth: 12464 bytes left
[   75.400329] cat (598) used greatest stack depth: 12424 bytes left