Fix port name in the cloud

Fix #1534

gns3server/controller/node.py

@@ -499,6 +499,11 @@ class Node:
         elif self._node_type == "dynamips":
             self._ports = DynamipsPortFactory(self.properties)
             return
+        elif self._node_type in ("cloud", "nat"):
+            adapter_number = 0
+            for port in self.properties["ports_mapping"]:
+                self._ports.append(PortFactory(port["name"], adapter_number, adapter_number, 0, "ethernet"))
+                adapter_number += 1
         else:
             self._ports = StandardPortFactory(self.properties, self._port_by_adapter, self._first_port_name, self._port_name_format, self._port_segment_size)
             return