[  388.779230] tun0: no available key for peer 6, key-id: 0
[  393.215761] iperf3 (9783) used greatest stack depth: 11800 bytes left
[  393.427497] tun2: deleting peer with id 11, reason 4
[  393.427627] tun6: deleting peer with id 15, reason 4
[  393.427655] tun3: deleting peer with id 12, reason 4
[  393.427763] tun0: deleting peer with id 6, reason 4
[  393.427782] tun5: deleting peer with id 14, reason 4
[  393.427847] tun1: deleting peer with id 10, reason 4
[  393.427951] tun4: deleting peer with id 13, reason 4
[  393.432013] tun0: deleting peer with id 5, reason 4
[  393.437960] tun0: deleting peer with id 4, reason 4
[  393.443966] tun0: deleting peer with id 3, reason 4
[  393.451957] tun0: deleting peer with id 2, reason 4
[  393.460950] tun0: deleting peer with id 1, reason 4