[    1.753601] ip (255) used greatest stack depth: 12184 bytes left
[   54.455990] netem: version 1.3
[  103.988107] ip (3767) used greatest stack depth: 11912 bytes left
[  578.090136] tc (16941) used greatest stack depth: 11904 bytes left
[  639.705147] pm_nl_ctl (20240) used greatest stack depth: 11880 bytes left