[    2.101985] ip (281) used greatest stack depth: 12352 bytes left
[    8.055471] ip (745) used greatest stack depth: 12344 bytes left
[   51.810898] netem: version 1.3
[   72.685733] ip (2345) used greatest stack depth: 12200 bytes left
[  600.579782] tc (11917) used greatest stack depth: 11936 bytes left