[    2.007163] ip (256) used greatest stack depth: 12392 bytes left
[    2.416214] ip (287) used greatest stack depth: 12360 bytes left
[    4.983551] ip (510) used greatest stack depth: 12344 bytes left
[   57.296350] netem: version 1.3
[  338.947627] ip (6024) used greatest stack depth: 12064 bytes left
[  606.498924] tc (13807) used greatest stack depth: 11936 bytes left
[  672.688869] pm_nl_ctl (16882) used greatest stack depth: 11848 bytes left