[   60.263848] netem: version 1.3
[   70.248946] ip (3020) used greatest stack depth: 12112 bytes left
[  604.301592] ip (14717) used greatest stack depth: 12000 bytes left
[  637.816840] tc (15681) used greatest stack depth: 11896 bytes left
[  764.146085] pm_nl_ctl (18832) used greatest stack depth: 11880 bytes left