bonding: print information about speed and duplex seen by the driver

before:
 bonding: bond0: link status definitely up for interface eth5
 bonding: bond0: link status definitely up for interface eth0

after:
 bonding: bond0: link status definitely up for interface eth5, 100 Mbps full duplex.
 bonding: bond0: link status definitely up for interface eth0, 100 Mbps full duplex.
Signed-off-by: Krzysztof Piotr Oledzki <ole@ans.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/bonding/bond_main.c

@@ -2406,8 +2406,9 @@ static void bond_miimon_commit(struct bonding *bond)
 				slave->state = BOND_STATE_BACKUP;
 			}
 
-			pr_info("%s: link status definitely up for interface %s.\n",
-				bond->dev->name, slave->dev->name);
+			pr_info("%s: link status definitely up for interface %s, %d Mbps %s duplex.\n",
+				bond->dev->name, slave->dev->name,
+				slave->speed, slave->duplex ? "full" : "half");
 
 			/* notify ad that the link status has changed */
 			if (bond->params.mode == BOND_MODE_8023AD)