[    2.096184] ip (182) used greatest stack depth: 12352 bytes left
[    2.110256] ip (187) used greatest stack depth: 12216 bytes left
[   28.861360] ip (2396) used greatest stack depth: 12104 bytes left
[   29.898595] ip (2740) used greatest stack depth: 12080 bytes left
[   49.649883] netem: version 1.3
[  541.313943] pm_nl_ctl (24826) used greatest stack depth: 11944 bytes left