[    2.304360] ip (280) used greatest stack depth: 12400 bytes left
[    2.328144] ip (282) used greatest stack depth: 12384 bytes left
[   55.368235] netem: version 1.3
[  334.461702] pm_nl_ctl (6802) used greatest stack depth: 12320 bytes left
[  522.480827] ip (12338) used greatest stack depth: 12256 bytes left
[  606.888925] tc (15686) used greatest stack depth: 11936 bytes left
[  673.651170] pm_nl_ctl (18830) used greatest stack depth: 11856 bytes left