[    1.951761] ip (256) used greatest stack depth: 12320 bytes left
[    2.275515] ip (279) used greatest stack depth: 12272 bytes left
[   60.102453] netem: version 1.3
[  142.104127] ip (3934) used greatest stack depth: 12248 bytes left
[  378.740024] ip (7284) used greatest stack depth: 12000 bytes left
[  618.174464] tc (15595) used greatest stack depth: 11936 bytes left
[  681.511485] pm_nl_ctl (18731) used greatest stack depth: 11872 bytes left