[    1.483510] readlink (195) used greatest stack depth: 12864 bytes left
[    1.876840] ip (253) used greatest stack depth: 12392 bytes left
[    2.293412] ip (284) used greatest stack depth: 12344 bytes left
[   54.435532] netem: version 1.3
[  536.449766] ip (10216) used greatest stack depth: 12304 bytes left