[  641.040324][    C0] tun0: no available key for peer 1, key-id: 0
[  641.352198][    C3] tun0: no available key for peer 4, key-id: 0
[  649.326384][ T8921] iperf3 (8921) used greatest stack depth: 22736 bytes left
[  649.516040][ T8793] tun1: deleting peer with id 10, reason 4
[  649.519754][ T8800] tun2: deleting peer with id 11, reason 4
[  649.520726][ T8807] tun3: deleting peer with id 12, reason 4
[  649.520745][ T8814] tun4: deleting peer with id 13, reason 4
[  649.521264][ T8821] tun5: deleting peer with id 14, reason 4
[  649.522821][ T8829] tun6: deleting peer with id 15, reason 4
[  649.523543][ T8828] tun0: deleting peer with id 6, reason 4
[  649.527821][ T8828] tun0: deleting peer with id 5, reason 4
[  649.534315][ T8828] tun0: deleting peer with id 4, reason 4
[  649.542123][ T8828] tun0: deleting peer with id 3, reason 4
[  649.550085][ T8828] tun0: deleting peer with id 2, reason 4
[  649.559051][ T8828] tun0: deleting peer with id 1, reason 4