[    1.751386] ip (294) used greatest stack depth: 12248 bytes left
[    3.623811] ip (533) used greatest stack depth: 12104 bytes left
[   47.891892] netem: version 1.3
[  474.718421] ip (13504) used greatest stack depth: 12040 bytes left
[  536.417747] tc (15682) used greatest stack depth: 11952 bytes left
[  595.171691] pm_nl_ctl (18827) used greatest stack depth: 11832 bytes left