[  647.075724][    C1] tun0: no available key for peer 3, key-id: 0
[  647.278743][    C2] tun0: no available key for peer 5, key-id: 0
[  655.090376][ T8991] iperf3 (8991) used greatest stack depth: 22552 bytes left
[  655.273438][ T8863] tun1: deleting peer with id 10, reason 4
[  655.274295][ T8891] tun5: deleting peer with id 14, reason 4
[  655.277195][ T8870] tun2: deleting peer with id 11, reason 4
[  655.277931][ T8884] tun4: deleting peer with id 13, reason 4
[  655.277981][ T8898] tun0: deleting peer with id 6, reason 4
[  655.279718][ T8899] tun6: deleting peer with id 15, reason 4
[  655.280690][ T8898] tun0: deleting peer with id 5, reason 4
[  655.280766][ T8877] tun3: deleting peer with id 12, reason 4
[  655.290930][ T8898] tun0: deleting peer with id 4, reason 4
[  655.296527][ T8898] tun0: deleting peer with id 3, reason 4
[  655.305261][ T8898] tun0: deleting peer with id 2, reason 4
[  655.314231][ T8898] tun0: deleting peer with id 1, reason 4