typo: fix misspells in code and comments

Signed-off-by: Yang Li <idealhack@gmail.com>

libnetwork/drivers/bridge/bridge.go

@@ -706,8 +706,8 @@ func (d *driver) createNetwork(config *networkConfiguration) error {
 		// Enable IPv6 Forwarding
 		{enableIPv6Forwarding, setupIPv6Forwarding},
 
-		// Setup Loopback Adresses Routing
-		{!d.config.EnableUserlandProxy, setupLoopbackAdressesRouting},
+		// Setup Loopback Addresses Routing
+		{!d.config.EnableUserlandProxy, setupLoopbackAddressesRouting},
 
 		// Setup IPTables.
 		{d.config.EnableIPTables, network.setupIPTables},

libnetwork/drivers/bridge/setup_ipv4.go

@@ -64,13 +64,13 @@ func setupGatewayIPv4(config *networkConfiguration, i *bridgeInterface) error {
 	return nil
 }
 
-func setupLoopbackAdressesRouting(config *networkConfiguration, i *bridgeInterface) error {
+func setupLoopbackAddressesRouting(config *networkConfiguration, i *bridgeInterface) error {
 	sysPath := filepath.Join("/proc/sys/net/ipv4/conf", config.BridgeName, "route_localnet")
 	ipv4LoRoutingData, err := ioutil.ReadFile(sysPath)
 	if err != nil {
 		return fmt.Errorf("Cannot read IPv4 local routing setup: %v", err)
 	}
-	// Enable loopback adresses routing only if it isn't already enabled
+	// Enable loopback addresses routing only if it isn't already enabled
 	if ipv4LoRoutingData[0] != '1' {
 		if err := ioutil.WriteFile(sysPath, []byte{'1', '\n'}, 0644); err != nil {
 			return fmt.Errorf("Unable to enable local routing for hairpin mode: %v", err)