[  421.173672] tun0: no available key for peer 1, key-id: 0
[  421.185824] tun0: no available key for peer 2, key-id: 0
[  426.626346] iperf3 (6638) used greatest stack depth: 12000 bytes left
[  426.720359] tun1: deleting peer with id 10, reason 4
[  426.720530] tun4: deleting peer with id 13, reason 4
[  426.720536] tun5: deleting peer with id 14, reason 4
[  426.720543] tun6: deleting peer with id 15, reason 4
[  426.720543] tun3: deleting peer with id 12, reason 4
[  426.720556] tun2: deleting peer with id 11, reason 4
[  426.720920] tun0: deleting peer with id 6, reason 4
[  426.723068] tun0: TCP error to peer 1: -32
[  426.723308] tun0: deleting peer with id 1, reason 3
[  426.723660] tun0: deleting peer with id 5, reason 4
[  426.727626] tun0: deleting peer with id 4, reason 4
[  426.739619] tun0: deleting peer with id 3, reason 4
[  426.747675] tun0: deleting peer with id 2, reason 4