detach bonding slaves if WWPOSTNETDOWN is set

provision/initramfs/init

@@ -219,6 +219,7 @@ bondup() {
     # If we have gotten here, give up for this device, and bring device down
     # just in case its present.
     ip link set dev $DEVICE down >/dev/null 2>&1
+    ifenslave --detach $DEVICE $BONDDEVS >/dev/null
     return 255
 }
 
@@ -533,10 +534,12 @@ if [ -x "$NEWROOT/sbin/init" -o -h "$NEWROOT/sbin/init" ]; then
     else
         wwfailure
     fi
+
     if [ -n "$WWPOSTNETDOWN" ]; then
         NETDEV=`cat /tmp/wwdev`
         if [ -f "/tmp/ifcfg-$WWNETDEV" ]; then
             . /tmp/ifcfg-$WWNETDEV
+
             if [ -n "$IPADDR" -a -n "$NETMASK" ]; then
                 wwlogger "Deleting network interface address $NETDEV:$IPADDR/$NETMASK ($WWNETDEV)"
                 msg_white "Deleting network interface address $NETDEV:$IPADDR/$NETMASK ($WWNETDEV)"
@@ -558,6 +561,11 @@ if [ -x "$NEWROOT/sbin/init" -o -h "$NEWROOT/sbin/init" ]; then
 
             wwlogger "Shutting down network interface $NETDEV ($WWNETDEV)"
             msg_white "Shutting down network interface $NETDEV ($WWNETDEV): "
+            if [ -n "$WWBONDDEVS" ]; then
+                BONDDEVS=`echo "$WWBONDDEVS" | sed -e "s/,/ /g"`
+                ifenslave --detach $WWNETDEV $BONDDEVS >/dev/null
+            fi
+
             if ip link set dev $NETDEV down; then
                 wwsuccess
             else