[  400.051111] tun0: no available key for peer 1, key-id: 0
[  400.065129] tun0: no available key for peer 2, key-id: 0
[  400.092023] tun0: no available key for peer 4, key-id: 0
[  400.106107] tun0: no available key for peer 5, key-id: 0
[  404.567794] iperf3 (10046) used greatest stack depth: 11816 bytes left
[  404.742522] tun1: deleting peer with id 10, reason 4
[  404.742606] tun4: deleting peer with id 13, reason 4
[  404.742641] tun3: deleting peer with id 12, reason 4
[  404.742739] tun5: deleting peer with id 14, reason 4
[  404.742813] tun2: deleting peer with id 11, reason 4
[  404.742890] tun6: deleting peer with id 15, reason 4
[  404.742891] tun0: deleting peer with id 6, reason 4
[  404.745210] tun0: deleting peer with id 5, reason 4
[  404.753201] tun0: deleting peer with id 4, reason 4
[  404.761237] tun0: deleting peer with id 3, reason 4
[  404.771207] tun0: deleting peer with id 2, reason 4
[  404.776201] tun0: deleting peer with id 1, reason 4