[    2.387033] ip (257) used greatest stack depth: 12392 bytes left
[    2.991806] ip (288) used greatest stack depth: 12344 bytes left
[   70.766810] ip (2841) used greatest stack depth: 12192 bytes left
[   71.239964] netem: version 1.3
[  692.515147] pm_nl_ctl (18734) used greatest stack depth: 11872 bytes left