[  401.868011] tun0: no available key for peer 1, key-id: 0
[  401.880399] tun0: no available key for peer 2, key-id: 0
[  401.905994] tun0: no available key for peer 4, key-id: 0
[  401.918639] tun0: no available key for peer 5, key-id: 0
[  406.358170] iperf3 (10221) used greatest stack depth: 11792 bytes left
[  406.486695] tun2: deleting peer with id 11, reason 4
[  406.486790] tun5: deleting peer with id 14, reason 4
[  406.486796] tun0: deleting peer with id 6, reason 4
[  406.486813] tun3: deleting peer with id 12, reason 4
[  406.486825] tun6: deleting peer with id 15, reason 4
[  406.486839] tun1: deleting peer with id 10, reason 4
[  406.487132] tun4: deleting peer with id 13, reason 4
[  406.492256] tun0: deleting peer with id 5, reason 4
[  406.499150] tun0: deleting peer with id 4, reason 4
[  406.505152] tun0: deleting peer with id 3, reason 4
[  406.515138] tun0: deleting peer with id 2, reason 4
[  406.529138] tun0: deleting peer with id 1, reason 4