[3538] Fixed the pool definitions for DHCPv6 in kea.conf.

src/bin/keactrl/kea.conf.in

@@ -47,13 +47,13 @@
 # The following list defines subnets. Uncomment to enable them.
   "subnet6": [
 #  {    "subnet": "2001:db8:1::/64",
-#       "pool": [ "2001:db8:1::/80" ] },
+#       "pools": [ { "pool": "2001:db8:1::/80" } ] },
 #  {    "subnet": "2001:db8:2::/64",
-#       "pool": [ "2001:db8:2::/80" ] },
+#       "pools": [ { "pool": "2001:db8:2::/80" } ] },
 #  {    "subnet": "2001:db8:3::/64",
-#       "pool": [ "2001:db8:3::/80" ] },
+#       "pools": [ { "pool": "2001:db8:3::/80" } ] },
 #  {    "subnet": "2001:db8:4::/64",
-#       "pool": [ "2001:db8:4::/80" ] }
+#       "pools": [ { "pool": "2001:db8:4::/80" } ] }
    ]
 },