[    1.967581] nft (258) used greatest stack depth: 12616 bytes left
[    2.045653] nft (262) used greatest stack depth: 12504 bytes left
[   28.794326] ip (3618) used greatest stack depth: 12376 bytes left
[   31.642363] ip (4068) used greatest stack depth: 12200 bytes left
[  137.223017] traps: iperf3[17678] general protection fault ip:7f453cfd8897 sp:7fff18972c78 error:0 in libc.so.6[113897,7f453ceed000+175000]
[  137.223226] traps: iperf3[17701] general protection fault ip:7fdad8199897 sp:7fff66bbf748 error:0 in libc.so.6[113897,7fdad80ae000+175000]