[    1.814543] ip (247) used greatest stack depth: 12392 bytes left
[    2.016050] ip (259) used greatest stack depth: 12344 bytes left
[    2.513950] MPTCP: bogus mpc option on established client sk
[    5.651268] ip (547) used greatest stack depth: 12104 bytes left
[   49.618695] netem: version 1.3
[  571.954013] tc (11902) used greatest stack depth: 11824 bytes left