[    1.732832] ip (247) used greatest stack depth: 12392 bytes left
[    1.907924] ip (259) used greatest stack depth: 12344 bytes left
[    2.465678] MPTCP: bogus mpc option on established client sk
[   40.780551] ip (1875) used greatest stack depth: 12184 bytes left
[   48.938834] netem: version 1.3