[  187.566158] tun0: no available key for peer 1, key-id: 0
[  187.575579] tun0: no available key for peer 2, key-id: 0
[  187.585712] tun0: no available key for peer 3, key-id: 0
[  187.595444] tun0: no available key for peer 4, key-id: 0
[  194.215232] iperf3 (3521) used greatest stack depth: 11800 bytes left
[  194.555312] tun0: deleting peer with id 1, reason 1
[  194.570888] tun1: deleting peer with id 1, reason 1
[  196.684878] tun0: deleting peer with id 2, reason 1
[  196.698050] tun2: deleting peer with id 2, reason 1
[  201.867127] tun0: deleting peer with id 4, reason 2
[  201.867257] tun0: deleting peer with id 3, reason 2
[  201.867322] tun0: deleting peer with id 5, reason 2
[  201.867384] tun0: deleting peer with id 6, reason 2
[  206.859127] tun4: deleting peer with id 4, reason 2
[  206.859260] tun3: deleting peer with id 3, reason 2
[  206.923123] tun6: deleting peer with id 6, reason 2
[  206.923392] tun5: deleting peer with id 5, reason 2