[    1.716468] ip (255) used greatest stack depth: 12296 bytes left
[    2.155077] ip (295) used greatest stack depth: 12248 bytes left
[   49.577281] netem: version 1.3
[  644.805243] tc (21519) used greatest stack depth: 11912 bytes left
[  701.214425] pm_nl_ctl (24662) used greatest stack depth: 11872 bytes left