[    1.370577] ip (218) used greatest stack depth: 12392 bytes left
[    1.391571] ip (223) used greatest stack depth: 12104 bytes left
[   30.374248] ip (2581) used greatest stack depth: 11976 bytes left
[   50.064741] ip (3787) used greatest stack depth: 11944 bytes left
[   52.146123] netem: version 1.3
[   58.456192] ip (4458) used greatest stack depth: 11872 bytes left
[  548.922261] pm_nl_ctl (24824) used greatest stack depth: 11720 bytes left