[    1.938049] ip (278) used greatest stack depth: 12360 bytes left
[    2.029110] ip (287) used greatest stack depth: 12344 bytes left
[    2.117412] ip (296) used greatest stack depth: 12192 bytes left
[   43.600424] ip (2288) used greatest stack depth: 12032 bytes left
[   51.458455] netem: version 1.3
[  673.857067] pm_nl_ctl (16721) used greatest stack depth: 11832 bytes left