[  423.461762] tun0: no available key for peer 1, key-id: 0
[  423.527493] tun0: no available key for peer 6, key-id: 0
[  428.977251] iperf3 (6651) used greatest stack depth: 12032 bytes left
[  429.002352] tun2: deleting peer with id 11, reason 4
[  429.002631] tun6: deleting peer with id 15, reason 4
[  429.002631] tun3: deleting peer with id 12, reason 4
[  429.002788] tun1: deleting peer with id 10, reason 4
[  429.002838] tun4: deleting peer with id 13, reason 4
[  429.002938] tun0: deleting peer with id 6, reason 4
[  429.002947] tun5: deleting peer with id 14, reason 4
[  429.004815] tun0: deleting peer with id 5, reason 4
[  429.008778] tun0: deleting peer with id 4, reason 4
[  429.012719] tun0: deleting peer with id 3, reason 4
[  429.026705] tun0: deleting peer with id 2, reason 4
[  429.034715] tun0: deleting peer with id 1, reason 4