[    1.694307] ip (259) used greatest stack depth: 12168 bytes left
[   48.981344] netem: version 1.3
[  564.841553] ip (16380) used greatest stack depth: 12072 bytes left
[  575.085792] tc (16941) used greatest stack depth: 11888 bytes left
[  634.467339] pm_nl_ctl (20242) used greatest stack depth: 11848 bytes left