[    1.932394] ip (255) used greatest stack depth: 12456 bytes left
[    1.966422] ip (258) used greatest stack depth: 12392 bytes left
[    2.370738] ip (287) used greatest stack depth: 12344 bytes left
[   56.636168] netem: version 1.3
[   77.869613] ip (2820) used greatest stack depth: 12288 bytes left
[  620.379128] tc (13805) used greatest stack depth: 11936 bytes left
[  685.750119] pm_nl_ctl (16718) used greatest stack depth: 11768 bytes left