[    2.192712] ip (291) used greatest stack depth: 12400 bytes left
[    2.215283] ip (293) used greatest stack depth: 12384 bytes left
[    8.674221] ip (898) used greatest stack depth: 12128 bytes left
[   55.102388] netem: version 1.3
[  606.381695] tc (15683) used greatest stack depth: 11936 bytes left
[  673.335265] pm_nl_ctl (18829) used greatest stack depth: 11880 bytes left