[    2.037937] ip (257) used greatest stack depth: 12392 bytes left
[    2.384251] ip (279) used greatest stack depth: 12344 bytes left
[   51.190162] ip (2301) used greatest stack depth: 12288 bytes left
[   65.326711] netem: version 1.3
[   87.406489] ip (3156) used greatest stack depth: 12160 bytes left
[  640.194317] tc (15590) used greatest stack depth: 11896 bytes left
[  706.340015] pm_nl_ctl (18729) used greatest stack depth: 11872 bytes left