[    1.570670] ip (256) used greatest stack depth: 12184 bytes left
[   40.767858] ip (2451) used greatest stack depth: 12136 bytes left
[   51.729938] netem: version 1.3
[  533.239029] tc (16941) used greatest stack depth: 11920 bytes left
[  589.990441] pm_nl_ctl (20242) used greatest stack depth: 11864 bytes left