[    1.737306] ip (246) used greatest stack depth: 12392 bytes left
[    1.928523] ip (258) used greatest stack depth: 12344 bytes left
[    2.423033] MPTCP: bogus mpc option on established client sk
[   38.013771] ip (1675) used greatest stack depth: 12296 bytes left
[   39.288918] ip (1779) used greatest stack depth: 12184 bytes left
[   48.778819] netem: version 1.3