[    1.623505] ip (268) used greatest stack depth: 12344 bytes left
[    1.819798] ip (296) used greatest stack depth: 12168 bytes left
[   10.591107] ip (1504) used greatest stack depth: 11912 bytes left
[   32.152410] ip (2320) used greatest stack depth: 11896 bytes left
[   74.723605] netem: version 1.3
[  615.099173] tc (24871) used greatest stack depth: 11840 bytes left
[  677.266779] pm_nl_ctl (29001) used greatest stack depth: 11800 bytes left