For consistency use the name 'mesh'

src/freedombone

   else
       decarray=( 1 2 3 4 5 6 7 8 9 0 )
       PEER_ID=${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}${decarray[$RANDOM%10]}
-      sed -i "s|#host-name=.*|host-name=freedombone-$PEER_ID|g" /etc/avahi/avahi-daemon.conf
+      sed -i "s|#host-name=.*|host-name=mesh-$PEER_ID|g" /etc/avahi/avahi-daemon.conf
   fi
   systemctl restart avahi-daemon
   echo 'configure_avahi' >> $COMPLETION_FILE