[    1.694656] ip (255) used greatest stack depth: 12552 bytes left
[    1.739814] ip (260) used greatest stack depth: 12168 bytes left
[    7.566665] ip (972) used greatest stack depth: 11944 bytes left
[   50.608137] netem: version 1.3
[  580.718240] tc (16941) used greatest stack depth: 11896 bytes left
[  637.304977] pm_nl_ctl (20242) used greatest stack depth: 11864 bytes left