[    2.227192] ip (277) used greatest stack depth: 12344 bytes left
[   12.231951] ip (1152) used greatest stack depth: 12192 bytes left
[   56.825709] netem: version 1.3
[  633.143676] tc (15592) used greatest stack depth: 11936 bytes left
[  699.445175] pm_nl_ctl (18728) used greatest stack depth: 11832 bytes left