new subtype formwat of VIRL >=1.2.50

create-arista-veos-image/dynamic-subtype-vEOS.json

 {
   "dynamic-subtypes": [
     {
-      "interface_range": 22, 
-      "config_disk_type": "disk", 
-      "baseline_image": "vEOS", 
-      "baseline_flavor": "vEOS.medium", 
-      "hw_vm_extra": "", 
+      "cli_protocol": "ssh", 
+      "gui_icon": "iosvl2", 
       "plugin_desc": "Arista vEOS", 
-      "interface_pattern": "Ethernet{0}", 
+      "interface_first": 1, 
+      "baseline_flavor": "vEOS.medium", 
+      "plugin_base": "generic", 
       "interface_management": "Management1", 
-      "gui_visible": true, 
-      "cli_serial": 1, 
+      "interface_pattern": "Ethernet{0}", 
+      "config_file": "/veos_config.txt", 
       "hw_ram": 1024, 
+      "deprecated_use": "", 
+      "hw_vm_extra": "", 
+      "cli_serial": 1, 
+      "interface_range": 22, 
+      "config_disk_type": "disk", 
       "plugin_name": "vEOS", 
-      "interface_first": 1, 
-      "config_file": "/veos_config.txt", 
-      "gui_icon": "iosvl2", 
-      "plugin_base": "generic"
+      "gui_visible": true, 
+      "baseline_image": "vEOS"
     }
   ]
 }
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