.Nm tinc
daemons to the same multicast address, this will very likely cause routing loops.
Also note that this can cause decrypted VPN packets to be sent out on a real network if misconfigured.
+.It fd
+Use a file descriptor.
+All packets are read from this interface.
+Packets received for the local node are written to it.
.It uml Pq not compiled in by default
Create a UNIX socket with the filename specified by
.Va Device ,