[    2.163444] ip (195) used greatest stack depth: 12720 bytes left
[    2.186443] ip (205) used greatest stack depth: 12608 bytes left
[    2.249613] ip (230) used greatest stack depth: 12432 bytes left
[    3.236656] ip (533) used greatest stack depth: 12080 bytes left
[   50.000075] netem: version 1.3
[  542.675411] pm_nl_ctl (24823) used greatest stack depth: 11944 bytes left