[    2.040915] ip (256) used greatest stack depth: 12304 bytes left
[    2.402328] ip (278) used greatest stack depth: 12272 bytes left
[   38.730611] ip (1730) used greatest stack depth: 12000 bytes left
[   57.457106] netem: version 1.3
[  632.063182] tc (15596) used greatest stack depth: 11936 bytes left
[  698.407990] pm_nl_ctl (18735) used greatest stack depth: 11912 bytes left