[    1.548593] ip (256) used greatest stack depth: 12800 bytes left
[    1.672413] ip (269) used greatest stack depth: 12432 bytes left
[    1.882148] ip (296) used greatest stack depth: 12256 bytes left
[    4.770945] ip (669) used greatest stack depth: 12224 bytes left
[   47.274325] netem: version 1.3
[  633.787625] pm_nl_ctl (20246) used greatest stack depth: 11872 bytes left