[    1.770394] ip (247) used greatest stack depth: 12392 bytes left
[    1.954786] ip (259) used greatest stack depth: 12344 bytes left
[    2.528814] MPTCP: bogus mpc option on established client sk
[    4.518582] ip (473) used greatest stack depth: 12296 bytes left
[   51.868768] netem: version 1.3
[  556.788467] tc (11893) used greatest stack depth: 11824 bytes left