[    2.256022] ip (273) used greatest stack depth: 12592 bytes left
[    2.394660] ip (282) used greatest stack depth: 12384 bytes left
[   28.746412] ip (1427) used greatest stack depth: 12128 bytes left
[   63.145535] netem: version 1.3
[  620.960320] tc (15688) used greatest stack depth: 11936 bytes left
[  685.176079] pm_nl_ctl (18833) used greatest stack depth: 11880 bytes left