[    1.464041] ip (258) used greatest stack depth: 12168 bytes left
[   41.730656] ip (2589) used greatest stack depth: 12120 bytes left
[   51.208254] netem: version 1.3
[  551.576685] tc (16941) used greatest stack depth: 11888 bytes left
[  608.335277] pm_nl_ctl (20242) used greatest stack depth: 11848 bytes left