net: Convert net_ratelimit uses to net_<level>_ratelimited

Standardize the net core ratelimited logging functions.

Coalesce formats, align arguments.
Change a printk then vprintk sequence to use printf extension %pV.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/decnet/dn_fib.c b/net/decnet/dn_fib.c
index 65a8cd7..7eaf987 100644
--- a/net/decnet/dn_fib.c
+++ b/net/decnet/dn_fib.c
@@ -438,9 +438,8 @@
 			res->fi = NULL;
 			return 1;
 		default:
-			if (net_ratelimit())
-				printk("DECnet: impossible routing event : dn_fib_semantic_match type=%d\n",
-				       type);
+			net_err_ratelimited("DECnet: impossible routing event : dn_fib_semantic_match type=%d\n",
+					    type);
 			res->fi = NULL;
 			return -EINVAL;
 		}