[    1.921898] ip (256) used greatest stack depth: 12632 bytes left
[    2.228289] ip (275) used greatest stack depth: 12600 bytes left
[    2.338185] ip (284) used greatest stack depth: 12360 bytes left
[    2.446095] ip (293) used greatest stack depth: 12344 bytes left
[   55.692192] netem: version 1.3
[  112.836702] ip (2904) used greatest stack depth: 12304 bytes left
[  619.812230] tc (12963) used greatest stack depth: 11936 bytes left