[  389.037918] tun0: no available key for peer 2, key-id: 0
[  389.049397] tun0: no available key for peer 3, key-id: 0
[  389.072240] tun0: no available key for peer 5, key-id: 0
[  389.083580] tun0: no available key for peer 6, key-id: 0
[  393.509413] iperf3 (9776) used greatest stack depth: 11768 bytes left
[  393.643424] tun4: deleting peer with id 13, reason 4
[  393.643566] tun6: deleting peer with id 15, reason 4
[  393.643575] tun5: deleting peer with id 14, reason 4
[  393.643576] tun3: deleting peer with id 12, reason 4
[  393.643703] tun2: deleting peer with id 11, reason 4
[  393.643799] tun1: deleting peer with id 10, reason 4
[  393.643843] tun0: deleting peer with id 6, reason 4
[  393.648619] tun0: deleting peer with id 5, reason 4
[  393.654606] tun0: deleting peer with id 4, reason 4
[  393.661607] tun0: deleting peer with id 3, reason 4
[  393.671606] tun0: deleting peer with id 2, reason 4
[  393.673606] tun0: deleting peer with id 1, reason 4