[  400.743979] tun0: no available key for peer 1, key-id: 0
[  400.757322] tun0: no available key for peer 2, key-id: 0
[  400.783043] tun0: no available key for peer 4, key-id: 0
[  400.808812] tun0: no available key for peer 6, key-id: 0
[  405.245940] iperf3 (10051) used greatest stack depth: 11832 bytes left
[  405.420247] tun2: deleting peer with id 11, reason 4
[  405.420343] tun4: deleting peer with id 13, reason 4
[  405.420343] tun1: deleting peer with id 10, reason 4
[  405.420344] tun5: deleting peer with id 14, reason 4
[  405.420346] tun3: deleting peer with id 12, reason 4
[  405.420510] tun6: deleting peer with id 15, reason 4
[  405.420514] tun0: deleting peer with id 6, reason 4
[  405.424103] tun0: deleting peer with id 5, reason 4
[  405.430110] tun0: deleting peer with id 4, reason 4
[  405.431131] tun0: deleting peer with id 3, reason 4
[  405.439102] tun0: deleting peer with id 2, reason 4
[  405.446115] tun0: deleting peer with id 1, reason 4