[    2.116079] ip (286) used greatest stack depth: 12288 bytes left
[    6.989838] ip (794) used greatest stack depth: 12248 bytes left
[   51.899548] netem: version 1.3
[  559.834798] tc (15678) used greatest stack depth: 11936 bytes left
[  617.118512] pm_nl_ctl (18823) used greatest stack depth: 11880 bytes left