[    2.469647] ip (211) used greatest stack depth: 12344 bytes left
[    2.524716] ip (224) used greatest stack depth: 12096 bytes left
[    3.171691] ip (391) used greatest stack depth: 12080 bytes left
[    4.944127] ip (877) used greatest stack depth: 12056 bytes left
[   52.134332] netem: version 1.3
[  527.186022] pm_nl_ctl (24672) used greatest stack depth: 11856 bytes left