[    2.074589] ip (256) used greatest stack depth: 12368 bytes left
[    2.109378] ip (259) used greatest stack depth: 12256 bytes left
[   60.720523] ip (2858) used greatest stack depth: 12248 bytes left
[   60.865527] netem: version 1.3
[  330.027292] ip (6199) used greatest stack depth: 12128 bytes left
[  623.533398] tc (15593) used greatest stack depth: 11936 bytes left
[  688.386211] pm_nl_ctl (18732) used greatest stack depth: 11912 bytes left