[   52.497554] tun0: no available key for peer 4, key-id: 0
[   52.508629] tun0: no available key for peer 5, key-id: 0
[   57.934391] iperf3 (2104) used greatest stack depth: 12040 bytes left
[   58.019443] tun2: deleting peer with id 11, reason 4
[   58.019535] tun4: deleting peer with id 13, reason 4
[   58.019537] tun1: deleting peer with id 10, reason 4
[   58.019565] tun6: deleting peer with id 15, reason 4
[   58.019602] tun0: deleting peer with id 6, reason 4
[   58.019627] tun5: deleting peer with id 14, reason 4
[   58.019733] tun3: deleting peer with id 12, reason 4
[   58.021929] tun0: deleting peer with id 5, reason 4
[   58.022254] tun0: TCP error to peer 1: -32
[   58.022439] tun0: deleting peer with id 1, reason 3
[   58.026857] tun0: deleting peer with id 4, reason 4
[   58.033839] tun0: deleting peer with id 3, reason 4
[   58.039890] tun0: deleting peer with id 2, reason 4