[    2.166114] ip (266) used greatest stack depth: 12624 bytes left
[    2.270842] ip (275) used greatest stack depth: 12544 bytes left
[    2.381335] ip (284) used greatest stack depth: 12528 bytes left
[    2.483875] ip (293) used greatest stack depth: 12288 bytes left
[    5.003943] ip (541) used greatest stack depth: 12016 bytes left
[   54.804594] netem: version 1.3
[  630.986246] pm_nl_ctl (18822) used greatest stack depth: 11880 bytes left