[    1.654405] ip (257) used greatest stack depth: 12168 bytes left
[   54.181845] netem: version 1.3
[  101.743329] ip (3764) used greatest stack depth: 11944 bytes left
[  564.409348] tc (16939) used greatest stack depth: 11896 bytes left
[  621.888877] pm_nl_ctl (20240) used greatest stack depth: 11608 bytes left