[    1.921563] ip (259) used greatest stack depth: 12392 bytes left
[    2.088238] ip (269) used greatest stack depth: 12192 bytes left
[   60.911052] netem: version 1.3
[  520.888561] ip (11695) used greatest stack depth: 12064 bytes left
[  613.215758] tc (15593) used greatest stack depth: 11936 bytes left
[  680.686757] pm_nl_ctl (18729) used greatest stack depth: 11624 bytes left