A phone with Address = 10.66.66.4 in its app and a key the Temple gave
10.66.66.2 sent a thousand packets and every one fell into "nowhere to
go".  WireGuard drops a key speaking from the wrong address in silence,
as it should, and an hour went to finding a typo.  Now WgRep counts them
and says which address lied, in red, and to check the app.

NAT: TCP is forgotten after 10 idle minutes, not 30.  A phone opened 744
conversations in a few minutes and leaves most of them hanging; 1024
ports do not last half an hour of that.

wg_interop A: Linux speaks from 10.66.66.9, nothing gets through, WgRep
names it.