From 7323ae399b2dbd85ede41f1b61b95c78a69031e4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gytis=20Sto=C5=A1kevi=C4=8Dius?=
 <gytisstoskevicius@gmail.com>
Date: Mon, 31 Mar 2025 15:51:22 +0300
Subject: [PATCH 1/7] add static network interface configuration when network
 is bridge

---
 src/entry.sh   | 47 +++++++++++++++++++++++--------------
 src/network.sh | 63 ++++++++++++++++++++++++++++++++++++++++++++++----
 src/power.sh   | 15 ++++++------
 3 files changed, 95 insertions(+), 30 deletions(-)
 mode change 100644 => 100755 src/entry.sh
 mode change 100644 => 100755 src/network.sh

diff --git a/src/entry.sh b/src/entry.sh
old mode 100644
new mode 100755
index b037cdc..18d8e49
--- a/src/entry.sh
+++ b/src/entry.sh
@@ -8,32 +8,45 @@ SUPPORT="https://github.com/dockur/windows"
 
 cd /run
 
-. reset.sh      # Initialize system
-. define.sh     # Define versions
-. mido.sh       # Download code
-. install.sh    # Run installation
-. disk.sh       # Initialize disks
-. display.sh    # Initialize graphics
-. network.sh    # Initialize network
-. samba.sh      # Configure samba
-. boot.sh       # Configure boot
-. proc.sh       # Initialize processor
-. power.sh      # Configure shutdown
-. config.sh     # Configure arguments
+. reset.sh   # Initialize system
+. define.sh  # Define versions
+. mido.sh    # Download code
+. install.sh # Run installation
+. disk.sh    # Initialize disks
+. display.sh # Initialize graphics
+. network.sh # Initialize network
+. samba.sh   # Configure samba
+. boot.sh    # Configure boot
+. proc.sh    # Initialize processor
+. power.sh   # Configure shutdown
+. config.sh  # Configure arguments
 
 trap - ERR
 
 version=$(qemu-system-x86_64 --version | head -n 1 | cut -d '(' -f 1 | awk '{ print $NF }')
 info "Booting ${APP}${BOOT_DESC} using QEMU v$version..."
 
-{ qemu-system-x86_64 ${ARGS:+ $ARGS} >"$QEMU_OUT" 2>"$QEMU_LOG"; rc=$?; } || :
-(( rc != 0 )) && error "$(<"$QEMU_LOG")" && exit 15
+{
+    qemu-system-x86_64 ${ARGS:+ $ARGS} >"$QEMU_OUT" 2>"$QEMU_LOG"
+    rc=$?
+} || :
+((rc != 0)) && error "$(<"$QEMU_LOG")" && exit 15
 
 terminal
-( sleep 30; boot ) &
+(
+    sleep 30
+    boot
+    configure_guest_network_interface
+    info "Windows started succesfully, you can now connect using RDP"
+    if [[ "${NETWORK,,}" != "bridge"* ]]; then
+        info "or visit http://localhost:8006/ to view the screen..."
+    fi
+    touch "$STORAGE/ready"
+) &
 tail -fn +0 "$QEMU_LOG" 2>/dev/null &
-cat "$QEMU_TERM" 2> /dev/null | tee "$QEMU_PTY" &
+cat "$QEMU_TERM" 2>/dev/null | tee "$QEMU_PTY" &
 wait $! || :
 
-sleep 1 & wait $!
+sleep 1 &
+wait $!
 [ ! -f "$QEMU_END" ] && finish 0
diff --git a/src/network.sh b/src/network.sh
old mode 100644
new mode 100755
index da15ef0..13835fb
--- a/src/network.sh
+++ b/src/network.sh
@@ -25,6 +25,64 @@ ADD_ERR="Please add the following setting to your container:"
 # ######################################
 #  Functions
 # ######################################
+find_free_ip() {
+  local current_ip="$1"
+  local mask="$2"
+
+  # Get network prefix
+  IFS='.' read -r i1 i2 i3 i4 <<<"$current_ip"
+  IFS='.' read -r m1 m2 m3 m4 <<<"$(ip -o -f inet addr show | awk '/scope global/ {print $4}' | cut -d'/' -f2)"
+
+  network_ip=$((i1 & m1)).$((i2 & m2)).$((i3 & m3)).0
+  base_ip="$i1.$i2.$i3"
+
+  # Iterate over available IPs
+  for i in {2..254}; do
+    new_ip="$base_ip.$i"
+    if [[ "$new_ip" != "$current_ip" ]] && ! ping -c 1 -W 1 "$new_ip" &>/dev/null; then
+      echo "$new_ip"
+      return
+    fi
+  done
+
+  echo "No free IP found"
+}
+
+configure_guest_network_interface() {
+  if [[ "${NETWORK,,}" == "bridge"* ]]; then
+
+    HOST_INTERFACE="dockerbridge"
+    CURRENT_IP=$(ip addr show $HOST_INTERFACE | grep -oP 'inet \K[\d.]+')
+    MASK="$(ip -4 addr show $HOST_INTERFACE | awk '/inet / {print $2}' | cut -d'/' -f2)"
+
+    if [ -z "$CURRENT_IP" ]; then
+      echo "Error: Unable to retrieve the current IP address of $HOST_INTERFACE."
+      exit 1
+    fi
+
+    echo "Current Host IP: $CURRENT_IP"
+
+    IFS='.' read -r -a ip_parts <<<"$CURRENT_IP"
+    NEW_HOST_IP=$(find_free_ip "$CURRENT_IP" "$MASK")
+    GW="${ip_parts[0]}.${ip_parts[1]}.${ip_parts[2]}.1"
+
+    echo "New Host IP: $NEW_HOST_IP"
+
+    ip addr del $CURRENT_IP/$MASK dev $HOST_INTERFACE
+    ip addr add $NEW_HOST_IP/$MASK dev $HOST_INTERFACE
+
+    ip link set $HOST_INTERFACE down
+    ip link set $HOST_INTERFACE up
+
+    route add default gw $GW
+
+    echo -e '{"execute": "guest-exec", "arguments": {"path": "C:\\\\Windows\\\\System32\\\\netsh.exe", "arg": ["interface", "ipv4", "set", "address", "name=\\"Ethernet\\"", "static", "'"$CURRENT_IP"'", "255.255.255.0", "'"$GW"'"]}}' | nc -U /tmp/qga.sock -w 5
+    echo -e '{"execute": "guest-exec", "arguments": {"path": "C:\\\\Windows\\\\System32\\\\netsh.exe", "arg": ["interface", "ipv4", "add", "dnsservers", "name=\\"Ethernet\\"", "address=\\"'$GW'\\"", "index=\\"1\\""]}}' | nc -U /tmp/qga.sock -w 5
+
+  fi
+
+  return 0
+}
 
 configureDHCP() {
 
@@ -409,11 +467,6 @@ configureBridge() {
   #   error "Failed to set IP link!" && return 1
   # fi
 
-  # add initial default route as well
-  if ! ip route add default dev dockerbridge via ${VM_NET_IP%.*}.1; then
-    error "Failed to setup default route" && return 10
-  fi
-
   NET_OPTS="-netdev tap,id=hostnet0,ifname=$VM_NET_TAP"
 
   if [ -c /dev/vhost-net ]; then
diff --git a/src/power.sh b/src/power.sh
index 3e36701..b619f5f 100644
--- a/src/power.sh
+++ b/src/power.sh
@@ -17,8 +17,9 @@ rm -f "$QEMU_DIR/qemu.*"
 touch "$QEMU_LOG"
 
 _trap() {
-  func="$1" ; shift
-  for sig ; do
+  func="$1"
+  shift
+  for sig; do
     trap "$func $sig" "$sig"
   done
 }
@@ -35,8 +36,6 @@ boot() {
         grep -Fq "BOOTMGR is missing" "$QEMU_PTY" && fail="y"
       fi
       if [ -z "$fail" ]; then
-        info "Windows started succesfully, visit http://localhost:8006/ to view the screen..."
-        touch "$STORAGE/ready"
         return 0
       fi
     fi
@@ -129,7 +128,7 @@ terminal() {
 
     if [ -n "$msg" ]; then
 
-      if [[ "${msg,,}" != "char"* ||  "$msg" != *"serial0)" ]]; then
+      if [[ "${msg,,}" != "char"* || "$msg" != *"serial0)" ]]; then
         echo "$msg"
       fi
 
@@ -193,13 +192,13 @@ _graceful_shutdown() {
   fi
 
   # Send ACPI shutdown signal
-  echo 'system_powerdown' | nc -q 1 -w 1 localhost "${QEMU_PORT}" > /dev/null
+  echo 'system_powerdown' | nc -q 1 -w 1 localhost "${QEMU_PORT}" >/dev/null
 
   local cnt=0
   while [ "$cnt" -lt "$QEMU_TIMEOUT" ]; do
 
     sleep 1
-    cnt=$((cnt+1))
+    cnt=$((cnt + 1))
 
     ! isAlive "$pid" && break
     # Workaround for zombie pid
@@ -208,7 +207,7 @@ _graceful_shutdown() {
     info "Waiting for Windows to shutdown... ($cnt/$QEMU_TIMEOUT)"
 
     # Send ACPI shutdown signal
-    echo 'system_powerdown' | nc -q 1 -w 1 localhost "${QEMU_PORT}" > /dev/null
+    echo 'system_powerdown' | nc -q 1 -w 1 localhost "${QEMU_PORT}" >/dev/null
 
   done
 

From 725d9296829ae9bdf277526a262175cb6fd46725 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gytis=20Sto=C5=A1kevi=C4=8Dius?=
 <gytisstoskevicius@gmail.com>
Date: Mon, 31 Mar 2025 17:51:31 +0300
Subject: [PATCH 2/7] Make default network bridge

---
 compose.yml    | 5 +----
 src/network.sh | 2 +-
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/compose.yml b/compose.yml
index 57ad009..b57b65e 100644
--- a/compose.yml
+++ b/compose.yml
@@ -14,13 +14,12 @@ services:
       USERNAME: "bill"
       PASSWORD: "gates"
       DISK_FMT: "qcow2"
+      NETWORK: "Y"
     devices:
       - /dev/kvm
       - /dev/net/tun
     cap_add:
       - NET_ADMIN
-    ports:
-      - 8006:8006
     stop_grace_period: 2m
     volumes:
       - ./scripts:/oem
@@ -46,6 +45,4 @@ services:
       - /dev/net/tun
     cap_add:
       - NET_ADMIN
-    ports:
-      - 8006:8006
     stop_grace_period: 2m
diff --git a/src/network.sh b/src/network.sh
index 13835fb..53b61b8 100755
--- a/src/network.sh
+++ b/src/network.sh
@@ -5,7 +5,7 @@ set -Eeuo pipefail
 
 : "${MAC:=""}"
 : "${DHCP:="N"}"
-: "${NETWORK:="Y"}"
+: "${NETWORK:="bridge"}"
 : "${USER_PORTS:=""}"
 : "${HOST_PORTS:=""}"
 : "${ADAPTER:="virtio-net-pci"}"

From 34cac42db588236d82b8a3d9abdb9610706b8254 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gytis=20Sto=C5=A1kevi=C4=8Dius?=
 <gytisstoskevicius@gmail.com>
Date: Mon, 31 Mar 2025 18:23:21 +0300
Subject: [PATCH 3/7] Make prepare image more verbose

---
 prepare_image.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/prepare_image.sh b/prepare_image.sh
index 19cde37..96689ce 100755
--- a/prepare_image.sh
+++ b/prepare_image.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -Eeuo pipefail
+set -Eeuox pipefail
 
 source env.sh
 

From 6e08a5a2eab15fba75bed680c4dc34a67bb0fa8d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gytis=20Sto=C5=A1kevi=C4=8Dius?=
 <gytisstoskevicius@gmail.com>
Date: Mon, 31 Mar 2025 18:30:06 +0300
Subject: [PATCH 4/7] Add debug

---
 compose.yml      | 1 +
 prepare_image.sh | 2 +-
 src/define.sh    | 2 +-
 src/entry.sh     | 2 +-
 src/install.sh   | 2 +-
 src/mido.sh      | 2 +-
 src/network.sh   | 2 +-
 src/power.sh     | 2 +-
 src/samba.sh     | 2 +-
 9 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/compose.yml b/compose.yml
index b57b65e..ac286af 100644
--- a/compose.yml
+++ b/compose.yml
@@ -15,6 +15,7 @@ services:
       PASSWORD: "gates"
       DISK_FMT: "qcow2"
       NETWORK: "Y"
+      DEBUG: "Y"
     devices:
       - /dev/kvm
       - /dev/net/tun
diff --git a/prepare_image.sh b/prepare_image.sh
index 96689ce..90bfa33 100755
--- a/prepare_image.sh
+++ b/prepare_image.sh
@@ -4,7 +4,7 @@ set -Eeuox pipefail
 source env.sh
 
 echo "start to build and install windows"
-docker compose up windows-build -d --wait --build
+docker compose up windows-build --build
 
 echo "windows installed, now stop container"
 docker stop windows-build
diff --git a/src/define.sh b/src/define.sh
index a245248..279468b 100644
--- a/src/define.sh
+++ b/src/define.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -Eeuo pipefail
+set -Eeuox pipefail
 
 : "${WIDTH:=""}"
 : "${HEIGHT:=""}"
diff --git a/src/entry.sh b/src/entry.sh
index 18d8e49..6574d91 100755
--- a/src/entry.sh
+++ b/src/entry.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -Eeuo pipefail
+set -Eeuox pipefail
 
 : "${BOOT_MODE:="windows"}"
 
diff --git a/src/install.sh b/src/install.sh
index 54eebd5..f392c0e 100644
--- a/src/install.sh
+++ b/src/install.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -Eeuo pipefail
+set -Eeuox pipefail
 
 TMP="$STORAGE/tmp"
 DIR="$TMP/unpack"
diff --git a/src/mido.sh b/src/mido.sh
index 7c6112b..cd4171f 100644
--- a/src/mido.sh
+++ b/src/mido.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -Eeuo pipefail
+set -Eeuox pipefail
 
 handle_curl_error() {
 
diff --git a/src/network.sh b/src/network.sh
index 53b61b8..1fa4071 100755
--- a/src/network.sh
+++ b/src/network.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -Eeuo pipefail
+set -Eeuox pipefail
 
 # Docker environment variables
 
diff --git a/src/power.sh b/src/power.sh
index b619f5f..adc8fc6 100644
--- a/src/power.sh
+++ b/src/power.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -Eeuo pipefail
+set -Eeuox pipefail
 
 # Configure QEMU for graceful shutdown
 
diff --git a/src/samba.sh b/src/samba.sh
index e2c12c9..321d05d 100644
--- a/src/samba.sh
+++ b/src/samba.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -Eeuo pipefail
+set -Eeuox pipefail
 
 : "${SAMBA:="Y"}"
 

From 5ed1a0c413d158ded3d83b4342f8168a30dafde6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gytis=20Sto=C5=A1kevi=C4=8Dius?=
 <gytisstoskevicius@gmail.com>
Date: Tue, 1 Apr 2025 11:00:21 +0300
Subject: [PATCH 5/7] Restore dettached compose up

---
 prepare_image.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/prepare_image.sh b/prepare_image.sh
index 90bfa33..96689ce 100755
--- a/prepare_image.sh
+++ b/prepare_image.sh
@@ -4,7 +4,7 @@ set -Eeuox pipefail
 source env.sh
 
 echo "start to build and install windows"
-docker compose up windows-build --build
+docker compose up windows-build -d --wait --build
 
 echo "windows installed, now stop container"
 docker stop windows-build

From a5c2af4742e629e73b6961bf29236864f62b6fe5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gytis=20Sto=C5=A1kevi=C4=8Dius?=
 <gytisstoskevicius@gmail.com>
Date: Tue, 1 Apr 2025 11:11:22 +0300
Subject: [PATCH 6/7] update prepare script

---
 prepare_image.sh | 26 +++++++++++++++++++++-----
 1 file changed, 21 insertions(+), 5 deletions(-)

diff --git a/prepare_image.sh b/prepare_image.sh
index 96689ce..93f97dc 100755
--- a/prepare_image.sh
+++ b/prepare_image.sh
@@ -1,10 +1,18 @@
 #!/usr/bin/env bash
-set -Eeuox pipefail
+set -Eeuo pipefail
 
 source env.sh
 
 echo "start to build and install windows"
-docker compose up windows-build -d --wait --build
+docker compose up windows-build -d --build
+
+echo "streaming logs..."
+docker logs -f windows-build | tee windows-build.log &
+
+echo "waiting for windows-build container to be healthy..."
+while [[ "$(docker inspect --format='{{.State.Health.Status}}' windows-build 2>/dev/null)" != "healthy" ]]; do
+    sleep 2
+done
 
 echo "windows installed, now stop container"
 docker stop windows-build
@@ -13,7 +21,15 @@ echo "commit all the changes"
 docker commit windows-build "$IMAGE_NAME:$IMAGE_VERSION"
 docker images
 
-docker push "$IMAGE_NAME:$IMAGE_VERSION"
-
 echo "start container with windows installed"
-docker compose up windows-installed -d --wait
+docker compose up windows-installed -d
+
+echo "streaming logs..."
+docker logs -f windows-installed | tee windows-installed.log &
+
+echo "waiting for windows-installed container to be healthy..."
+while [[ "$(docker inspect --format='{{.State.Health.Status}}' windows-installed 2>/dev/null)" != "healthy" ]]; do
+    sleep 2
+done
+
+docker push "$IMAGE_NAME:$IMAGE_VERSION"

From 0528800424cc9b889bc08035c5fb374acd1d4cb6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gytis=20Sto=C5=A1kevi=C4=8Dius?=
 <gytisstoskevicius@gmail.com>
Date: Tue, 1 Apr 2025 15:29:25 +0300
Subject: [PATCH 7/7] Add option to have multiple bridges

---
 src/network.sh | 236 ++++++++++++++++++++++---------------------------
 1 file changed, 105 insertions(+), 131 deletions(-)

diff --git a/src/network.sh b/src/network.sh
index 1fa4071..17d7f0e 100755
--- a/src/network.sh
+++ b/src/network.sh
@@ -20,6 +20,7 @@ set -Eeuox pipefail
 : "${DNSMASQ:="/usr/sbin/dnsmasq"}"
 : "${DNSMASQ_CONF_DIR:="/etc/dnsmasq.d"}"
 
+ETH_COUNT=$(ls /sys/class/net | grep -E '^eth[0-9]+$' | wc -l)
 ADD_ERR="Please add the following setting to your container:"
 
 # ######################################
@@ -50,34 +51,42 @@ find_free_ip() {
 
 configure_guest_network_interface() {
   if [[ "${NETWORK,,}" == "bridge"* ]]; then
+    for ((i = 0; i < ETH_COUNT; i++)); do
+      HOST_INTERFACE="dockerbridge$i"
+      CURRENT_IP=$(ip addr show $HOST_INTERFACE | grep -oP 'inet \K[\d.]+')
+      MASK="$(ip -4 addr show $HOST_INTERFACE | awk '/inet / {print $2}' | cut -d'/' -f2)"
 
-    HOST_INTERFACE="dockerbridge"
-    CURRENT_IP=$(ip addr show $HOST_INTERFACE | grep -oP 'inet \K[\d.]+')
-    MASK="$(ip -4 addr show $HOST_INTERFACE | awk '/inet / {print $2}' | cut -d'/' -f2)"
+      if [ -z "$CURRENT_IP" ]; then
+        echo "Error: Unable to retrieve the current IP address of $HOST_INTERFACE."
+        exit 1
+      fi
 
-    if [ -z "$CURRENT_IP" ]; then
-      echo "Error: Unable to retrieve the current IP address of $HOST_INTERFACE."
-      exit 1
-    fi
+      echo "Current Host IP: $CURRENT_IP"
 
-    echo "Current Host IP: $CURRENT_IP"
+      IFS='.' read -r -a ip_parts <<<"$CURRENT_IP"
+      NEW_HOST_IP=$(find_free_ip "$CURRENT_IP" "$MASK")
+      GW="${ip_parts[0]}.${ip_parts[1]}.${ip_parts[2]}.1"
 
-    IFS='.' read -r -a ip_parts <<<"$CURRENT_IP"
-    NEW_HOST_IP=$(find_free_ip "$CURRENT_IP" "$MASK")
-    GW="${ip_parts[0]}.${ip_parts[1]}.${ip_parts[2]}.1"
+      echo "New Host IP: $NEW_HOST_IP"
 
-    echo "New Host IP: $NEW_HOST_IP"
+      ip addr del $CURRENT_IP/$MASK dev $HOST_INTERFACE
+      ip addr add $NEW_HOST_IP/$MASK dev $HOST_INTERFACE
 
-    ip addr del $CURRENT_IP/$MASK dev $HOST_INTERFACE
-    ip addr add $NEW_HOST_IP/$MASK dev $HOST_INTERFACE
+      ip link set $HOST_INTERFACE down
+      ip link set $HOST_INTERFACE up
 
-    ip link set $HOST_INTERFACE down
-    ip link set $HOST_INTERFACE up
+      route add default gw $GW
 
-    route add default gw $GW
+      if [ $i -eq 0 ]; then
+        INTERFACE_NAME="Ethernet"
+      else
+        IDX=$((1 + i))
+        INTERFACE_NAME="Ethernet $IDX"
+      fi
 
-    echo -e '{"execute": "guest-exec", "arguments": {"path": "C:\\\\Windows\\\\System32\\\\netsh.exe", "arg": ["interface", "ipv4", "set", "address", "name=\\"Ethernet\\"", "static", "'"$CURRENT_IP"'", "255.255.255.0", "'"$GW"'"]}}' | nc -U /tmp/qga.sock -w 5
-    echo -e '{"execute": "guest-exec", "arguments": {"path": "C:\\\\Windows\\\\System32\\\\netsh.exe", "arg": ["interface", "ipv4", "add", "dnsservers", "name=\\"Ethernet\\"", "address=\\"'$GW'\\"", "index=\\"1\\""]}}' | nc -U /tmp/qga.sock -w 5
+      echo -e '{"execute": "guest-exec", "arguments": {"path": "C:\\\\Windows\\\\System32\\\\netsh.exe", "capture-output": true, "arg": ["interface", "ipv4", "set", "address", "'"$INTERFACE_NAME"'", "static", "'$CURRENT_IP'", "255.255.255.0", "'$GW'"]}}' | nc -U /tmp/qga.sock -w 5
+      echo -e '{"execute": "guest-exec", "arguments": {"path": "C:\\\\Windows\\\\System32\\\\netsh.exe", "capture-output": true, "arg": ["interface", "ipv4", "add", "dnsservers", "'"$INTERFACE_NAME"'", "1.1.1.1", "index=1"]}}' | nc -U /tmp/qga.sock -w 5
+    done
 
   fi
 
@@ -379,120 +388,72 @@ configureBridge() {
     fi
   fi
 
-  # Create a bridge with a static IP for the VM guest
+  for ((i = 0; i < ETH_COUNT; i++)); do
+    DOCKER_BRIDGE="dockerbridge$i"
+    NET_DEV="eth$i"
+    NET_TAP="qemu$i"
+    {
+      ip link add dev $DOCKER_BRIDGE type bridge
+      rc=$?
+    } || :
 
-  {
-    ip link add dev dockerbridge type bridge
-    rc=$?
-  } || :
+    if ((rc != 0)); then
+      error "Failed to create bridge. $ADD_ERR --cap-add NET_ADMIN" && return 1
+    fi
 
-  if ((rc != 0)); then
-    error "Failed to create bridge. $ADD_ERR --cap-add NET_ADMIN" && return 1
-  fi
+    # We need freshly created bridge to have IP address of the container
+    # For this reason we need to migrate IP from eth0 to dockerbridge.
+    for addr in $(ip --json addr show dev $NET_DEV | jq -c '.[0].addr_info[] | select(.family == "inet")'); do
+      cidr_addr=$(echo $addr | jq -r '[ .local, .prefixlen|tostring] | join("/")')
+      if ! ip addr add dev $DOCKER_BRIDGE $cidr_addr; then
+        error "Failed to add address for $DOCKER_BRIDGE interface"
+        exit 30
+      fi
+    done
 
-  # {
-  #   ip link add dev dockerbridge_2 type bridge
-  #   rc=$?
-  # } || :
-  # if ((rc != 0)); then
-  #   error "Failed to create bridge. $ADD_ERR --cap-add NET_ADMIN" && return 1
-  # fi
-
-  # We need freshly created bridge to have IP address of the container
-  # For this reason we need to migrate IP from eth0 to dockerbridge.
-  for addr in $(ip --json addr show dev $VM_NET_DEV | jq -c '.[0].addr_info[] | select(.family == "inet")'); do
-    cidr_addr=$(echo $addr | jq -r '[ .local, .prefixlen|tostring] | join("/")')
-    if ! ip addr add dev dockerbridge $cidr_addr; then
-      error "Failed to add address for dockerbridge interface"
+    if ! ip addr flush dev $NET_DEV; then
+      error "Failed to clear $NET_DEV interface addresses"
       exit 30
     fi
-  done
-  if ! ip addr flush dev $VM_NET_DEV; then
-    error "Failed to clear $VM_NET_DEV interface addresses"
-    exit 30
-  fi
 
-  while ! ip link set dockerbridge up; do
-    info "Waiting for IP address to become available..."
-    sleep 2
-  done
+    while ! ip link set $DOCKER_BRIDGE up; do
+      info "Waiting for IP address to become available..."
+      sleep 2
+    done
 
-  # # We need freshly created bridge to have IP address of the container
-  # # For this reason we need to migrate IP from eth0 to dockerbridge.
-  # for addr in $(ip --json addr show dev $VM_NET_DEV_2 | jq -c '.[0].addr_info[] | select(.family == "inet")'); do
-  #   cidr_addr=$(echo $addr | jq -r '[ .local, .prefixlen|tostring] | join("/")')
-  #   if ! ip addr add dev dockerbridge_2 $cidr_addr; then
-  #     error "Failed to add address for dockerbridge_2 interface"
-  #     exit 30
-  #   fi
-  # done
-  # if ! ip addr flush dev $VM_NET_DEV_2; then
-  #   error "Failed to clear $VM_NET_DEV_2 interface addresses"
-  #   exit 30
-  # fi
+    # QEMU Works with taps, set tap to the bridge created
+    if ! ip tuntap add dev "$NET_TAP" mode tap; then
+      error "$tuntap" && return 1
+    fi
 
-  # while ! ip link set dockerbridge_2 up; do
-  #   info "Waiting for IP address to become available..."
-  #   sleep 2
-  # done
+    while ! ip link set "$NET_TAP" up promisc on; do
+      info "Waiting for TAP to become available..."
+      sleep 2
+    done
 
-  # QEMU Works with taps, set tap to the bridge created
-  if ! ip tuntap add dev "$VM_NET_TAP" mode tap; then
-    error "$tuntap" && return 1
-  fi
+    if ! ip link set dev "$NET_TAP" master $DOCKER_BRIDGE; then
+      error "Failed to set IP link!" && return 1
+    fi
 
-  while ! ip link set "$VM_NET_TAP" up promisc on; do
-    info "Waiting for TAP to become available..."
-    sleep 2
-  done
+    if ! ip link set dev "$NET_DEV" master $DOCKER_BRIDGE; then
+      error "Failed to attach docker interface to bridge"
+    fi
 
-  if ! ip link set dev "$VM_NET_TAP" master dockerbridge; then
-    error "Failed to set IP link!" && return 1
-  fi
-
-  if ! ip link set dev "$VM_NET_DEV" master dockerbridge; then
-    error "Failed to attach docker interface to bridge"
-  fi
-
-  # if ! ip tuntap add dev "$VM_NET_TAP_2" mode tap; then
-  #   error "$tuntap" && return 1
-  # fi
-
-  # while ! ip link set "$VM_NET_TAP_2" up promisc on; do
-  #   info "Waiting for TAP to become available..."
-  #   sleep 2
-  # done
-
-  # if ! ip link set dev "$VM_NET_TAP_2" master dockerbridge_2; then
-  #   error "Failed to set IP link!" && return 1
-  # fi
-
-  NET_OPTS="-netdev tap,id=hostnet0,ifname=$VM_NET_TAP"
-
-  if [ -c /dev/vhost-net ]; then
-    {
-      exec 40>>/dev/vhost-net
+    NET_OPTS+=" -netdev tap,id=hostnet$i,ifname=$NET_TAP"
+    if [ -c /dev/vhost-net ]; then
+      fd=$((40 + i))
+      eval "exec $fd>>/dev/vhost-net"
       rc=$?
-    } 2>/dev/null || :
-    ((rc == 0)) && NET_OPTS+=",vhost=on,vhostfd=40"
-  fi
+      if ((rc == 0)); then
+        NET_OPTS+=",vhost=on,vhostfd=$fd"
+      fi
+    fi
 
-  NET_OPTS+=",script=no,downscript=no"
+    NET_OPTS+=",script=no,downscript=no "
 
-  # NET_OPTS+=" -netdev tap,id=hostnet1,ifname=$VM_NET_TAP_2"
-
-  # if [ -c /dev/vhost-net ]; then
-  #   {
-  #     exec 41>>/dev/vhost-net
-  #     rc=$?
-  #   } 2>/dev/null || :
-  #   ((rc == 0)) && NET_OPTS+=",vhost=on,vhostfd=41"
-  # fi
-
-  # NET_OPTS+=",script=no,downscript=no"
+  done
 
   return 0
-
 }
 
 closeNetwork() {
@@ -518,11 +479,21 @@ closeNetwork() {
 
     [[ "${NETWORK,,}" == "user"* ]] && return 0
 
-    ip link set "$VM_NET_TAP" down promisc off || true
-    ip link delete "$VM_NET_TAP" || true
+    if [[ "${NETWORK,,}" == "bridge"* ]]; then
+      for ((i = 0; i < ETH_COUNT; i++)); do
+        ip link set "qemu$i" down promisc off || true
+        ip link delete "qemu$i" || true
 
-    ip link set dockerbridge down || true
-    ip link delete dockerbridge || true
+        ip link set dockerbridge$i down || true
+        ip link delete dockerbridge$i || true
+      done
+    else
+      ip link set "$VM_NET_TAP" down promisc off || true
+      ip link delete "$VM_NET_TAP" || true
+
+      ip link set dockerbridge down || true
+      ip link delete dockerbridge || true
+    fi
 
   fi
 
@@ -666,16 +637,13 @@ else
     if ! configureBridge; then
 
       error "Failed to setup bridge networking"
+      for ((i = 0; i < ETH_COUNT; i++)); do
+        ip link set "$VM_NET_TAP$i" down promisc off &>null || true
+        ip link delete "$VM_NET_TAP$i" &>null || true
 
-      ip link set "$VM_NET_TAP" down promisc off &>null || true
-      ip link delete "$VM_NET_TAP" &>null || true
-      # ip link set "$VM_NET_TAP_2" down promisc off &>null || true
-      # ip link delete "$VM_NET_TAP_2" &>null || true
-
-      ip link set dockerbridge down &>null || true
-      ip link delete dockerbridge &>null || true
-      # ip link set dockerbridge_2 down &>null || true
-      # ip link delete dockerbridge_2 &>null || true
+        ip link set dockerbridge$i down &>null || true
+        ip link delete dockerbridge$i &>null || true
+      done
 
       exit 25
     fi
@@ -685,7 +653,13 @@ else
 fi
 
 NET_OPTS+=" -device $ADAPTER,romfile=,netdev=hostnet0,mac=$VM_NET_MAC,id=net0"
-# NET_OPTS+=" -device $ADAPTER_2,romfile=,netdev=hostnet1,mac=$VM_NET_MAC_2,id=net1"
+
+if [[ "${NETWORK,,}" == "bridge"* ]]; then
+  for ((i = 1; i < ETH_COUNT; i++)); do
+    MAC=$(printf "52:54:00:%02X:%02X:%02X" $((RANDOM % 256)) $((RANDOM % 256)) $((RANDOM % 256)))
+    NET_OPTS+=" -device $ADAPTER,romfile=,netdev=hostnet$i,mac=$MAC,id=net$i"
+  done
+fi
 
 NET_OPTS+=" -device virtio-serial-pci,id=virtserial0,bus=pcie.0,addr=0x6"
 NET_OPTS+=" -chardev socket,id=qga0,path=/tmp/qga.sock,server=on,wait=off"