[    2.174318] ip (270) used greatest stack depth: 12512 bytes left
[    2.388478] ip (289) used greatest stack depth: 12272 bytes left
[    9.996418] ip (905) used greatest stack depth: 12112 bytes left
[   60.480449] netem: version 1.3
[  119.953910] ip (3484) used greatest stack depth: 12104 bytes left
[  641.764369] tc (15681) used greatest stack depth: 11936 bytes left
[  708.268596] pm_nl_ctl (18823) used greatest stack depth: 11608 bytes left