[    1.970907] ip (260) used greatest stack depth: 12672 bytes left
[    2.171693] ip (273) used greatest stack depth: 12640 bytes left
[    2.274007] ip (282) used greatest stack depth: 12616 bytes left
[    2.374306] ip (291) used greatest stack depth: 12504 bytes left
[    2.476699] ip (300) used greatest stack depth: 12384 bytes left
[   41.874160] ip (2294) used greatest stack depth: 12360 bytes left
[   52.815711] netem: version 1.3
[  327.210265] pm_nl_ctl (6800) used greatest stack depth: 12336 bytes left
[  536.977166] ip (13645) used greatest stack depth: 12232 bytes left
[  603.892173] tc (15686) used greatest stack depth: 11936 bytes left
[  671.654551] pm_nl_ctl (18830) used greatest stack depth: 11880 bytes left