[    2.573719] ip (257) used greatest stack depth: 12248 bytes left
[    3.167242] ip (415) used greatest stack depth: 12232 bytes left
[    6.606083] ip (1367) used greatest stack depth: 11960 bytes left
[   52.170872] netem: version 1.3
[  109.348459] ip (5024) used greatest stack depth: 11936 bytes left
[  573.980968] pm_nl_ctl (25041) used greatest stack depth: 11864 bytes left