--- cloudinit/distros/net_util.py.orig
+++ cloudinit/distros/net_util.py
@@ -67,6 +67,10 @@
 #     }
 # }
 
+import re
+
+ipv4 = re.compile("\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}")
+
 def translate_network(settings):
     # Get the standard cmd, args from the ubuntu format
     entries = []
@@ -88,7 +92,14 @@ def translate_network(settings):
                 consume = {}
             consume[cmd] = args
         else:
-            consume[cmd] = args
+            if consume.get(cmd):
+                val = consume[cmd]
+                if isinstance(val, list):
+                    consume[cmd].append(args)
+                else:
+                    consume[cmd] = [val, args]
+            else:
+                consume[cmd] = args
     # Check if anything left over to consume
     absorb = False
     for (cmd, args) in consume.items():
@@ -148,6 +159,16 @@ def translate_network(settings):
                     hw_addr = hw_split[1]
                     if hw_addr:
                         iface_info['hwaddress'] = hw_addr
+            if 'post-up' in info:
+                routes = info['post-up']
+                if isinstance(routes, list):
+                    for route_info in routes:
+                        if 'default gw' in route_info:
+                            iface_info['gateway'] = ipv4.search(
+                                route_info).group(0)
+                elif 'default gw' in routes:
+                    iface_info['gateway'] = ipv4.search(routes).group(0)
+                
         # If ipv6 is enabled, device will have multiple IPs, so we need to
         # update the dictionary instead of overwriting it...
         if dev_name in real_ifaces: