[    2.671027] ip (275) used greatest stack depth: 12592 bytes left
[    2.776489] ip (284) used greatest stack depth: 12384 bytes left
[   57.726993] ip (2844) used greatest stack depth: 12256 bytes left
[   58.087073] netem: version 1.3
[  597.284788] tc (15685) used greatest stack depth: 11936 bytes left
[  662.036305] pm_nl_ctl (18830) used greatest stack depth: 11880 bytes left