[    1.500542] ip (255) used greatest stack depth: 12296 bytes left
[    1.731048] ip (284) used greatest stack depth: 12248 bytes left
[    1.796373] ip (293) used greatest stack depth: 11952 bytes left
[   46.298602] netem: version 1.3
[  613.304060] pm_nl_ctl (18822) used greatest stack depth: 11752 bytes left