[    1.566076] ip (267) used greatest stack depth: 12376 bytes left
[    1.661108] ip (280) used greatest stack depth: 12312 bytes left
[    1.785276] ip (295) used greatest stack depth: 12200 bytes left
[   58.094041] netem: version 1.3
[  618.496226] tc (23659) used greatest stack depth: 11880 bytes left
[  681.428273] pm_nl_ctl (27792) used greatest stack depth: 11864 bytes left