[    1.529047] ip (258) used greatest stack depth: 12168 bytes left
[   36.145019] ip (2132) used greatest stack depth: 12120 bytes left
[   48.384089] netem: version 1.3
[   55.059270] ip (3249) used greatest stack depth: 11992 bytes left
[  539.094361] tc (16941) used greatest stack depth: 11928 bytes left
[  596.074717] pm_nl_ctl (20242) used greatest stack depth: 11880 bytes left