[    1.357128] ip (217) used greatest stack depth: 12216 bytes left
[    2.105430] ip (417) used greatest stack depth: 12008 bytes left
[   36.635456] ip (3087) used greatest stack depth: 11960 bytes left
[   51.131928] netem: version 1.3
[  563.266483] pm_nl_ctl (24831) used greatest stack depth: 11856 bytes left