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/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 5bef604..a9e519a 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -949,8 +949,7 @@
 	ret = sock_queue_rcv_skb(mroute_sk, skb);
 	rcu_read_unlock();
 	if (ret < 0) {
-		if (net_ratelimit())
-			pr_warn("mroute: pending queue full, dropping entries\n");
+		net_warn_ratelimited("mroute: pending queue full, dropping entries\n");
 		kfree_skb(skb);
 	}