[   15.028375][  T264] nft (264) used greatest stack depth: 24272 bytes left
[   31.542992][  T437] ip (437) used greatest stack depth: 23440 bytes left
[  366.275569][ T6225] iperf3[6225]: segfault at 1c9c00000000 ip 00001c9c00000000 sp 00007fff3caf4d10 error 14 likely on CPU 3 (core 3, socket 0)
[  366.276045][ T6225] Code: Unable to access opcode bytes at 0x1c9bffffffd6.
[  366.280049][ T6221] traps: iperf3[6221] general protection fault ip:7fea0dcca33c sp:7fff45a2ff38 error:0
[  366.280180][ T6227] traps: iperf3[6227] general protection fault ip:7fea0dcab4e6 sp:7fff45a30630 error:0 in libc.so.6[af4e6,7fea0dc24000+175000]