[    2.161810] ip (215) used greatest stack depth: 12320 bytes left
[    3.765469] ip (687) used greatest stack depth: 12080 bytes left
[   50.918203] netem: version 1.3
[   57.184265] ip (4442) used greatest stack depth: 12072 bytes left
[  525.216774] pm_nl_ctl (24824) used greatest stack depth: 11944 bytes left