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/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 54c5d2b..f1b86fd 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -518,12 +518,10 @@
 	return 1;
 
 out_oversize:
-	if (net_ratelimit())
-		printk(KERN_DEBUG "ip6_frag_reasm: payload len = %d\n", payload_len);
+	net_dbg_ratelimited("ip6_frag_reasm: payload len = %d\n", payload_len);
 	goto out_fail;
 out_oom:
-	if (net_ratelimit())
-		printk(KERN_DEBUG "ip6_frag_reasm: no memory for reassembly\n");
+	net_dbg_ratelimited("ip6_frag_reasm: no memory for reassembly\n");
 out_fail:
 	rcu_read_lock();
 	IP6_INC_STATS_BH(net, __in6_dev_get(dev), IPSTATS_MIB_REASMFAILS);