[    2.068309] ip (256) used greatest stack depth: 12392 bytes left
[    2.487730] ip (288) used greatest stack depth: 12344 bytes left
[   47.923634] ip (2550) used greatest stack depth: 12192 bytes left
[   56.654056] netem: version 1.3
[  614.339345] tc (15595) used greatest stack depth: 11936 bytes left
[  678.040613] pm_nl_ctl (18732) used greatest stack depth: 11872 bytes left