[    1.552442] ip (267) used greatest stack depth: 12392 bytes left
[    1.663626] ip (282) used greatest stack depth: 12312 bytes left
[    1.760643] ip (294) used greatest stack depth: 12248 bytes left
[    2.797424] ip (430) used greatest stack depth: 12216 bytes left
[   49.535939] netem: version 1.3
[   91.125324] ip (3739) used greatest stack depth: 12200 bytes left
[  551.263520] tc (16941) used greatest stack depth: 11896 bytes left
[  608.782202] pm_nl_ctl (20241) used greatest stack depth: 11848 bytes left