prepare_interface() {
        local iface="$1"
        local config="$2"
+       local vifmac="$3"
 
        # if we're called for the bridge interface itself, don't bother trying
        # to create any interfaces here. The scripts have already done that, otherwise
                # make sure the interface is removed from any existing bridge and deconfigured 
                ifconfig "$iface" 0.0.0.0
                unbridge "$iface"
+
+               # Change interface MAC address if requested
+               [ -n "$vifmac" ] && {
+                       ifconfig "$iface" down
+                       ifconfig "$iface" hw ether "$vifmac" up
+               }
        }
 
        # Setup VLAN interfaces
 setup_interface() {
        local iface="$1"
        local config="$2"
+       local vifmac="$4"
        local proto
        local macaddr
 
        }
        proto="${3:-$(config_get "$config" proto)}"
        
-       prepare_interface "$iface" "$config" || return 0
+       prepare_interface "$iface" "$config" "$vifmac" || return 0
        
        [ "$iface" = "br-$config" ] && {
                # need to bring up the bridge and wait a second for 
        # Interface settings
        config_get mtu "$config" mtu
        config_get macaddr "$config" macaddr
-       macaddr="${macaddr:-$3}"
        grep "$iface:" /proc/net/dev > /dev/null && \
                $DEBUG ifconfig "$iface" down && \
                $DEBUG ifconfig "$iface" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} up
 
 start_net() {(
        local iface="$1"
        local config="$2"
+       local vifmac="$3"
 
        [ -f "/var/run/$iface.pid" ] && kill "$(cat /var/run/${iface}.pid)" 2>/dev/null
        include /lib/network
        scan_interfaces
-       setup_interface "$1" "$2" "$3"
+       setup_interface "$iface" "$config" "" "$vifmac"
 )}
 
 set_wifi_up() {