[    2.049761] ip (256) used greatest stack depth: 12320 bytes left
[    2.410128] ip (278) used greatest stack depth: 12272 bytes left
[   58.185126] netem: version 1.3
[  334.723032] ip (6351) used greatest stack depth: 12112 bytes left
[  625.407745] tc (15593) used greatest stack depth: 11936 bytes left
[  690.940667] pm_nl_ctl (18730) used greatest stack depth: 11872 bytes left