[    1.371809] ip (232) used greatest stack depth: 12536 bytes left
[    1.395062] ip (241) used greatest stack depth: 12408 bytes left
[    1.410460] ip (247) used greatest stack depth: 12360 bytes left
[    1.436048] ip (257) used greatest stack depth: 12312 bytes left
[    1.441316] ip (259) used greatest stack depth: 12232 bytes left
[    3.175135] ip (705) used greatest stack depth: 12168 bytes left
[   11.257579] ip (1550) used greatest stack depth: 12008 bytes left
[   51.053902] netem: version 1.3
[   67.639065] ip (4666) used greatest stack depth: 11960 bytes left
[  553.715303] pm_nl_ctl (24832) used greatest stack depth: 11856 bytes left