We just upgraded to FL.10.09.1040 and now the ansible_net_interfaces section of the facts only is being returned as:
"ansible_net_interfaces": {
"chassis,1": {},
"chassis,10": {},
"chassis,2": {},
"chassis,3": {},
"chassis,4": {},
"chassis,5": {},
"chassis,6": {},
"chassis,7": {},
"chassis,8": {},
"chassis,9": {},
"fan_tray,1/1": {},
"fan_tray,1/2": {},
"fan_tray,10/1": {},
"fan_tray,10/2": {},
"fan_tray,2/1": {},
"fan_tray,2/2": {},
"fan_tray,3/1": {},
"fan_tray,3/2": {},
"fan_tray,4/1": {},
"fan_tray,4/2": {},
"fan_tray,5/1": {},
"fan_tray,5/2": {},
"fan_tray,6/1": {},
"fan_tray,6/2": {},
"fan_tray,7/1": {},
"fan_tray,7/2": {},
"fan_tray,8/1": {},
"fan_tray,8/2": {},
"fan_tray,9/1": {},
"fan_tray,9/2": {},
"line_card,1/1": {},
"line_card,10/1": {},
"line_card,2/1": {},
"line_card,3/1": {},
"line_card,4/1": {},
"line_card,5/1": {},
"line_card,6/1": {},
"line_card,7/1": {},
"line_card,8/1": {},
"line_card,9/1": {},
"management_module,1/1": {},
"management_module,10/1": {},
"management_module,2/1": {},
"management_module,3/1": {},
"management_module,4/1": {},
"management_module,5/1": {},
"management_module,6/1": {},
"management_module,7/1": {},
"management_module,8/1": {},
"management_module,9/1": {}
},
None of the interfaces have any values under them.