[    2.398142] ip (273) used greatest stack depth: 12688 bytes left
[    2.529647] ip (282) used greatest stack depth: 12640 bytes left
[    2.656961] ip (291) used greatest stack depth: 12384 bytes left
[    9.192224] ip (800) used greatest stack depth: 12360 bytes left
[   61.505382] netem: version 1.3
[  109.508495] ip (3629) used greatest stack depth: 12128 bytes left
[  611.129715] tc (15686) used greatest stack depth: 11936 bytes left
[  679.899966] pm_nl_ctl (18832) used greatest stack depth: 11880 bytes left