bonding: convert bond_procfs.c to use netdev_printk instead of pr_

CC: Jay Vosburgh <j.vosburgh@gmail.com>
CC: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Veaceslav Falico <vfalico@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/bonding/bond_procfs.c

@@ -252,7 +252,7 @@ void bond_create_proc_entry(struct bonding *bond)
 						    S_IRUGO, bn->proc_dir,
 						    &bond_info_fops, bond);
 		if (bond->proc_entry == NULL)
-			pr_warn("Warning: Cannot create /proc/net/%s/%s\n",
+			netdev_warn(bond_dev, "Cannot create /proc/net/%s/%s\n",
 				    DRV_NAME, bond_dev->name);
 		else
 			memcpy(bond->proc_file_name, bond_dev->name, IFNAMSIZ);