[  187.570326] tun0: no available key for peer 4, key-id: 0
[  194.172229] iperf3 (3520) used greatest stack depth: 11832 bytes left
[  194.513581] tun0: deleting peer with id 1, reason 1
[  194.529264] tun1: deleting peer with id 1, reason 1
[  196.639663] tun0: deleting peer with id 2, reason 1
[  196.658404] tun2: deleting peer with id 2, reason 1
[  201.797146] tun0: deleting peer with id 4, reason 2
[  201.797261] tun0: deleting peer with id 3, reason 2
[  201.797328] tun0: deleting peer with id 5, reason 2
[  201.797396] tun0: deleting peer with id 6, reason 2
[  206.853148] tun5: deleting peer with id 5, reason 2
[  206.853220] tun3: deleting peer with id 3, reason 2
[  206.854142] tun6: deleting peer with id 6, reason 2
[  206.854198] tun4: deleting peer with id 4, reason 2