[  633.551594][    C2] tun0: no available key for peer 6, key-id: 0
[  643.703623][ T4948] iperf3 (4948) used greatest stack depth: 23240 bytes left
[  643.925598][ T4902] tun2: deleting peer with id 11, reason 4
[  643.931039][ T4908] tun4: deleting peer with id 13, reason 4
[  643.931114][ T4905] tun3: deleting peer with id 12, reason 4
[  643.932982][ T4914] tun6: deleting peer with id 15, reason 4
[  643.933654][ T4915] tun0: deleting peer with id 6, reason 4
[  643.934428][ T4899] tun1: deleting peer with id 10, reason 4
[  643.934837][ T4911] tun5: deleting peer with id 14, reason 4
[  643.940761][ T4915] tun0: deleting peer with id 5, reason 4
[  643.945500][ T4915] tun0: deleting peer with id 4, reason 4
[  643.953073][ T4915] tun0: deleting peer with id 3, reason 4
[  643.961072][ T4915] tun0: deleting peer with id 2, reason 4
[  643.969156][ T4915] tun0: deleting peer with id 1, reason 4
[  652.373638][  T111] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)