[    2.585564] ip (229) used greatest stack depth: 12488 bytes left
[    2.600721] ip (236) used greatest stack depth: 12456 bytes left
[    2.608486] ip (239) used greatest stack depth: 12424 bytes left
[    2.630929] ip (248) used greatest stack depth: 11960 bytes left
[   52.192966] netem: version 1.3
[  617.766827] pm_nl_ctl (25040) used greatest stack depth: 11784 bytes left