[    2.611752] ip (251) used greatest stack depth: 12184 bytes left
[   52.234574] netem: version 1.3
[   61.632680] ip (4470) used greatest stack depth: 12096 bytes left
[  107.456421] ip (5017) used greatest stack depth: 12056 bytes left
[  557.570443] pm_nl_ctl (24681) used greatest stack depth: 11856 bytes left