[    1.693692] ip (255) used greatest stack depth: 12248 bytes left
[    1.994677] ip (287) used greatest stack depth: 12216 bytes left
[   49.043320] netem: version 1.3
[  133.722448] ip (4380) used greatest stack depth: 12200 bytes left
[  538.250890] tc (16944) used greatest stack depth: 11920 bytes left
[  592.692831] pm_nl_ctl (20246) used greatest stack depth: 11608 bytes left