[    2.157447] ip (257) used greatest stack depth: 12392 bytes left
[    2.624472] ip (289) used greatest stack depth: 12344 bytes left
[   61.829880] netem: version 1.3
[   80.712943] ip (3182) used greatest stack depth: 12192 bytes left
[  526.758136] ip (11715) used greatest stack depth: 12160 bytes left
[  614.980966] tc (15595) used greatest stack depth: 11936 bytes left
[  677.654310] pm_nl_ctl (18729) used greatest stack depth: 11872 bytes left