[  421.758657] tun0: no available key for peer 1, key-id: 0
[  421.765911] tun0: no available key for peer 2, key-id: 0
[  427.176588] iperf3 (6637) used greatest stack depth: 12000 bytes left
[  427.262166] tun1: deleting peer with id 10, reason 4
[  427.262275] tun6: deleting peer with id 15, reason 4
[  427.262278] tun3: deleting peer with id 12, reason 4
[  427.262366] tun4: deleting peer with id 13, reason 4
[  427.262427] tun0: deleting peer with id 6, reason 4
[  427.262549] tun5: deleting peer with id 14, reason 4
[  427.262629] tun2: deleting peer with id 11, reason 4
[  427.264870] tun0: deleting peer with id 5, reason 4
[  427.265258] tun0: TCP error to peer 1: -32
[  427.265538] tun0: deleting peer with id 1, reason 3
[  427.270810] tun0: deleting peer with id 4, reason 4
[  427.278773] tun0: deleting peer with id 3, reason 4
[  427.286807] tun0: deleting peer with id 2, reason 4