net/i40e: downgrade error log

[ upstream commit 9763595 ]

When receiving the unsupported AQ messages, it's taken as an
error. It's not appropriate and triggers too much unnecessary print.

This commit is similar to
commit e130425 ("net/i40e: downgrade unnecessary error log")
which made the same change for the PF instance.

Fixes: ae19955 ("i40evf: support reporting PF reset")

Signed-off-by: Eelco Chaudron <echaudro@redhat.com>
Reviewed-by: David Marchand <david.marchand@redhat.com>
Reviewed-by: Xiaolong Ye <xiaolong.ye@intel.com>

drivers/net/i40e/i40e_ethdev_vf.c

@@ -1359,7 +1359,7 @@ i40evf_handle_aq_msg(struct rte_eth_dev *dev)
 			}
 			break;
 		default:
-			PMD_DRV_LOG(ERR, "Request %u is not supported yet",
+			PMD_DRV_LOG(DEBUG, "Request %u is not supported yet",
 				    aq_opc);
 			break;
 		}