[    1.816205] ip (268) used greatest stack depth: 12392 bytes left
[    2.072347] ip (295) used greatest stack depth: 11944 bytes left
[   51.547457] netem: version 1.3
[  536.353463] tc (16943) used greatest stack depth: 11896 bytes left
[  653.028393] pm_nl_ctl (20247) used greatest stack depth: 11848 bytes left