[    2.147161] ip (256) used greatest stack depth: 12344 bytes left
[    2.655501] MPTCP: bogus mpc option on established client sk
[   19.285901] ip (1032) used greatest stack depth: 12184 bytes left
[   54.144039] netem: version 1.3
[  527.061414] ip (10533) used greatest stack depth: 12152 bytes left