[    2.508169] ip (212) used greatest stack depth: 12344 bytes left
[    5.095027] ip (893) used greatest stack depth: 12184 bytes left
[   52.354373] netem: version 1.3
[  107.609420] ip (5204) used greatest stack depth: 12064 bytes left
[  535.409035] pm_nl_ctl (24670) used greatest stack depth: 11856 bytes left