[    1.768508] ip (294) used greatest stack depth: 12288 bytes left
[    3.312423] ip (497) used greatest stack depth: 12256 bytes left
[   46.696153] netem: version 1.3
[  561.362302] tc (15679) used greatest stack depth: 11936 bytes left
[  619.033210] pm_nl_ctl (18824) used greatest stack depth: 11880 bytes left