[    1.525846] ip (255) used greatest stack depth: 12184 bytes left
[   48.889816] netem: version 1.3
[   56.858531] ip (3234) used greatest stack depth: 12168 bytes left
[   64.683314] ip (3396) used greatest stack depth: 12136 bytes left
[  548.882793] tc (16941) used greatest stack depth: 11920 bytes left
[  603.991071] pm_nl_ctl (20242) used greatest stack depth: 11864 bytes left