[   17.921812] ip (1694) used greatest stack depth: 12008 bytes left
[   52.231178] netem: version 1.3
[   65.332177] ip (4675) used greatest stack depth: 11992 bytes left
[   98.327213] ip (5222) used greatest stack depth: 11960 bytes left
[  538.483079] pm_nl_ctl (24834) used greatest stack depth: 11848 bytes left