[IPV6] addrconf: Do not print device pointer in privacy log message.

Noticed by Andi Kleen, it is pointless to emit the device
structure pointer in the kernel logs like this.
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv6/addrconf.c

@@ -379,8 +379,8 @@ static struct inet6_dev * ipv6_add_dev(struct net_device *dev)
 		    dev->type == ARPHRD_NONE ||
 		    dev->type == ARPHRD_SIT) {
 			printk(KERN_INFO
-				"Disabled Privacy Extensions on device %p(%s)\n",
-				dev, dev->name);
+			       "%s: Disabled Privacy Extensions\n",
+			       dev->name);
 			ndev->cnf.use_tempaddr = -1;
 		} else {
 			in6_dev_hold(ndev);