Network devices are now only managed by NetworkManager.

Systemd-networkd is no longer used.
NetworkManager creates a MACVTAP device for each physical Ethernet device.
When calling vm-run with option macvtap, all macvtap-devices are passed to the VM.

roles/lmn_vm/files/vm-run

@@ -19,6 +19,7 @@ options:
        --os OS           operating system (win10|linux|..)
        --data-disk size  additional data-disk
        --bridge virbrX   additional network interface on bridge virbrX
+       --macvtap         additional network interface on device macvtap
        --options options additional options for virt-install command
 EOF
 }
@@ -115,7 +116,7 @@ NO_VIEWER=0
 
 source /etc/lmn/vm.conf
 
-TEMP=$(getopt -o no:ps --long new,no-viewer,options:,persistent,system,memory:,data-disk:,heads:,cpu:,bridge:,os:,help -n $0 -- "$@")
+TEMP=$(getopt -o no:ps --long new,no-viewer,options:,persistent,system,memory:,data-disk:,heads:,cpu:,bridge:,macvtap,os:,help -n $0 -- "$@")
 if [ $? != 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi
 
 eval set -- "$TEMP"
@@ -180,6 +181,15 @@ while true; do
             fi
 	    shift 2
 	    ;;
+    --macvtap )
+	    for interface in $(ip link | sed -En 's/.*(macvtap-.*)@.*/\1/p'); do
+              mac="$(ip link | grep -A1 "${interface}" | \
+                sed -nE "s%\s+link/ether ([[:xdigit:]:]{17}) .+%\1%p")"
+              type="ethernet,mac=${mac},target.dev=${interface},xpath1.set=./target/@managed=no,model.type=virtio"
+	      LIBVIRTOPTS="${LIBVIRTOPTS} --network type=$type"
+	    done
+	    shift
+	    ;;
     --os )
             LIBVIRTOSINFO=$2
 	    shift 2