[    2.034576] ip (261) used greatest stack depth: 12392 bytes left
[    2.308491] ip (281) used greatest stack depth: 12344 bytes left
[   57.016627] netem: version 1.3
[  121.679119] ip (3907) used greatest stack depth: 12192 bytes left
[  511.976917] ip (11863) used greatest stack depth: 12064 bytes left
[  669.002936] pm_nl_ctl (18732) used greatest stack depth: 11784 bytes left