[    2.152643] ip (185) used greatest stack depth: 12296 bytes left
[    2.238492] ip (216) used greatest stack depth: 12288 bytes left
[   29.518743] ip (2543) used greatest stack depth: 12056 bytes left
[   50.144551] netem: version 1.3
[  127.846865] ip (5182) used greatest stack depth: 12024 bytes left
[  553.877450] pm_nl_ctl (24844) used greatest stack depth: 11864 bytes left