[    2.082591] ip (261) used greatest stack depth: 12392 bytes left
[    2.381351] ip (280) used greatest stack depth: 12344 bytes left
[   60.478683] netem: version 1.3
[  321.601176] ip (6039) used greatest stack depth: 12336 bytes left
[  486.344065] ip (10212) used greatest stack depth: 12288 bytes left
[  532.640909] ip (11537) used greatest stack depth: 12192 bytes left
[  631.321405] tc (15595) used greatest stack depth: 11936 bytes left
[  698.145128] pm_nl_ctl (18733) used greatest stack depth: 11872 bytes left