[  638.335814][    C3] tun0: no available key for peer 2, key-id: 0
[  638.435694][    C3] tun0: no available key for peer 3, key-id: 0
[  638.651967][    C0] tun0: no available key for peer 5, key-id: 0
[  646.580298][ T8918] iperf3 (8918) used greatest stack depth: 21968 bytes left
[  646.779290][ T8790] tun1: deleting peer with id 10, reason 4
[  646.780613][ T8804] tun3: deleting peer with id 12, reason 4
[  646.780633][ T8797] tun2: deleting peer with id 11, reason 4
[  646.780782][ T8811] tun4: deleting peer with id 13, reason 4
[  646.781383][ T8825] tun0: deleting peer with id 6, reason 4
[  646.781698][ T8818] tun5: deleting peer with id 14, reason 4
[  646.782543][ T8826] tun6: deleting peer with id 15, reason 4
[  646.789309][ T8825] tun0: deleting peer with id 5, reason 4
[  646.793979][ T8825] tun0: deleting peer with id 4, reason 4
[  646.798893][ T8825] tun0: deleting peer with id 3, reason 4
[  646.806842][ T8825] tun0: deleting peer with id 2, reason 4
[  646.814945][ T8825] tun0: deleting peer with id 1, reason 4