server: networkd applies the first sorted matching network file, thus prefix 'all' fallback networks with 'zz-'.

debian/changelog

@@ -1,3 +1,10 @@
+livecd-rootfs (2.657) UNRELEASED; urgency=medium
+
+  * server: networkd applies the first sorted matching network file, thus
+    prefix 'all' fallback networks with 'zz-'.
+
+ -- Dimitri John Ledkov <xnox@ubuntu.com>  Fri, 03 Apr 2020 12:57:07 +0100
+
 livecd-rootfs (2.656) focal; urgency=medium
 
   [ David Krauser ]

live-build/ubuntu-server/includes.binary/overlay/etc/cloud/cloud.cfg

@@ -25,11 +25,11 @@ chpasswd:
 network:
     version: 2
     ethernets:
-        all-en:
+        zz-all-en:
             match:
                 name: "en*"
             dhcp4: true
-        all-eth:
+        zz-all-eth:
             match:
                 name: "eth*"
             dhcp4: true