[    1.460293] ip (257) used greatest stack depth: 12280 bytes left
[    1.744552] ip (295) used greatest stack depth: 12232 bytes left
[   45.919476] netem: version 1.3
[  631.891118] tc (21259) used greatest stack depth: 11952 bytes left
[  691.008000] pm_nl_ctl (24399) used greatest stack depth: 11872 bytes left