[    1.889731] ip (257) used greatest stack depth: 12392 bytes left
[    2.148746] ip (277) used greatest stack depth: 12344 bytes left
[   40.879803] ip (1859) used greatest stack depth: 12288 bytes left
[   61.218402] netem: version 1.3
[   80.923034] ip (3152) used greatest stack depth: 12064 bytes left
[  695.637686] pm_nl_ctl (18736) used greatest stack depth: 11872 bytes left