[    1.828497] ip (260) used greatest stack depth: 12432 bytes left
[    2.228432] ip (292) used greatest stack depth: 12384 bytes left
[   38.750980] ip (1741) used greatest stack depth: 12360 bytes left
[   58.658531] netem: version 1.3
[  103.763609] ip (3468) used greatest stack depth: 12256 bytes left
[  120.827807] ip (3637) used greatest stack depth: 12224 bytes left
[  672.949579] pm_nl_ctl (18639) used greatest stack depth: 11848 bytes left