[    2.055367] ip (178) used greatest stack depth: 12352 bytes left
[   50.472376] netem: version 1.3
[   57.878899] ip (4418) used greatest stack depth: 12336 bytes left
[   65.699614] ip (4614) used greatest stack depth: 12072 bytes left
[  532.017818] pm_nl_ctl (24827) used greatest stack depth: 11944 bytes left