[    1.671267] ip (255) used greatest stack depth: 12168 bytes left
[   33.603428] ip (1841) used greatest stack depth: 11944 bytes left
[   47.852928] netem: version 1.3
[  541.456928] tc (16942) used greatest stack depth: 11896 bytes left
[  599.255981] pm_nl_ctl (20243) used greatest stack depth: 11864 bytes left