[    2.168272] ip (268) used greatest stack depth: 12616 bytes left
[    2.410997] ip (286) used greatest stack depth: 12344 bytes left
[   24.722787] ip (1202) used greatest stack depth: 12304 bytes left
[   53.766693] netem: version 1.3
[   92.709525] ip (2769) used greatest stack depth: 12208 bytes left
[  193.940016] ip (3920) used greatest stack depth: 12192 bytes left