diff --git a/CHANGELOG.md b/CHANGELOG.md
index fff304d7..ebea253d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 |Version|Date|Notes|
 |---|---|---|
+|   |2021-09-18|Add `-e NETDEV=`|
 |   |2021-09-09|Add Monterey|
 |   |2021-08-27|Add iPhone passthrough OTA!|
 |6.0|2021-08-25|Added naked-auto. Keep kernel at 5.13, even tho it's just for supermin.|
diff --git a/Dockerfile b/Dockerfile
index d37a22f7..6ecbab5c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -206,8 +206,8 @@ RUN touch Launch.sh \
     && tee -a Launch.sh <<< '-drive id=InstallMedia,if=none,file=/home/arch/OSX-KVM/BaseSystem.img,format=qcow2 \' \
     && tee -a Launch.sh <<< '-drive id=MacHDD,if=none,file=${IMAGE_PATH:-/home/arch/OSX-KVM/mac_hdd_ng.img},format=${IMAGE_FORMAT:-qcow2} \' \
     && tee -a Launch.sh <<< '-device ide-hd,bus=sata.4,drive=MacHDD \' \
-    && tee -a Launch.sh <<< '-netdev user,id=net0,hostfwd=tcp::${INTERNAL_SSH_PORT:-10022}-:22,hostfwd=tcp::${SCREEN_SHARE_PORT:-5900}-:5900,${ADDITIONAL_PORTS} \' \
-    && tee -a Launch.sh <<< '-device ${NETWORKING:-vmxnet3},netdev=net0,id=net0,mac=${MAC_ADDRESS:-52:54:00:09:49:17} \' \
+    && tee -a Launch.sh <<< '-netdev ${NETDEV:-user,id=net0,hostfwd=tcp::${INTERNAL_SSH_PORT:-10022}-:22,hostfwd=tcp::${SCREEN_SHARE_PORT:-5900}-:5900,${ADDITIONAL_PORTS}} \' \
+    && tee -a Launch.sh <<< '-device ${NETWORKING_DEVICE:-vmxnet3},netdev=net0,id=net0,mac=${MAC_ADDRESS:-52:54:00:09:49:17} \' \
     && tee -a Launch.sh <<< '-monitor stdio \' \
     && tee -a Launch.sh <<< '-boot menu=on \' \
     && tee -a Launch.sh <<< '-vga vmware \' \
@@ -271,8 +271,14 @@ ENV KVM='accel=kvm:tcg'
 
 ENV MASTER_PLIST_URL="https://raw.githubusercontent.com/sickcodes/osx-serial-generator/master/config-nopicker-custom.plist"
 
+# Add NETDEV for bridged networking option, see https://github.com/sickcodes/Docker-OSX/issues/72
+# ENV NETDEV='tap,id=net0,ifname=tap0,script=no,downscript=no'
+# ENV NETDEV='user,id=net0,hostfwd=tcp::${INTERNAL_SSH_PORT:-10022}-:22,hostfwd=tcp::${SCREEN_SHARE_PORT:-5900}-:5900,${ADDITIONAL_PORTS}'
+
 # ENV NETWORKING=e1000-82545em
+# renamed to NETWORKING_DEVICE, but not deprecated
 ENV NETWORKING=vmxnet3
+ENV NETWORKING_DEVICE="${NETWORKING}"
 
 # boolean for skipping the disk selection menu at in the boot process
 ENV NOPICKER=false
diff --git a/tests/Dockerfile b/tests/Dockerfile
new file mode 100644
index 00000000..fcff84c6
--- /dev/null
+++ b/tests/Dockerfile
@@ -0,0 +1,112 @@
+#!/usr/bin/docker
+#     ____             __             ____  ______  __
+#    / __ \____  _____/ /_____  _____/ __ \/ ___/ |/ /
+#   / / / / __ \/ ___/ //_/ _ \/ ___/ / / /\__ \|   /
+#  / /_/ / /_/ / /__/ ,< /  __/ /  / /_/ /___/ /   |
+# /_____/\____/\___/_/|_|\___/_/   \____//____/_/|_| TEST SUITE FOR TESTING SMALL CHANGES
+#
+# Title:            Docker-OSX (Mac on Docker)
+# Author:           Sick.Codes https://twitter.com/sickcodes
+# Version:          6.0
+# License:          GPLv3+
+# Repository:       https://github.com/sickcodes/Docker-OSX
+# Website:          https://sick.codes
+#
+
+FROM sickcodes/docker-osx:latest
+
+RUN echo "Replace me" && exit 1
+
+#### SPECIAL RUNTIME ARGUMENTS BELOW
+
+# env -e ADDITIONAL_PORTS with a comma
+# for example, -e ADDITIONAL_PORTS=hostfwd=tcp::23-:23,
+ENV ADDITIONAL_PORTS=
+
+# add additional QEMU boot arguments
+ENV BOOT_ARGS=
+
+ENV BOOTDISK=
+
+# edit the CPU that is being emulated
+ENV CPU=Penryn
+ENV CPUID_FLAGS='vendor=GenuineIntel,+invtsc,vmware-cpuid-freq=on,+ssse3,+sse4.2,+popcnt,+avx,+aes,+xsave,+xsaveopt,check,'
+
+ENV DISPLAY=:0.0
+
+# Deprecated
+ENV ENV=/env
+
+# Boolean for generating a bootdisk with new random serials.
+ENV GENERATE_UNIQUE=false
+
+# Boolean for generating a bootdisk with specific serials.
+ENV GENERATE_SPECIFIC=false
+
+ENV IMAGE_PATH=/home/arch/OSX-KVM/mac_hdd_ng.img
+ENV IMAGE_FORMAT=qcow2
+
+ENV KVM='accel=kvm:tcg'
+
+ENV MASTER_PLIST_URL="https://raw.githubusercontent.com/sickcodes/osx-serial-generator/master/config-nopicker-custom.plist"
+
+# Add NETDEV for bridged networking option, see https://github.com/sickcodes/Docker-OSX/issues/72
+# ENV NETDEV='tap,id=net0,ifname=tap0,script=no,downscript=no'
+# ENV NETDEV='user,id=net0,hostfwd=tcp::${INTERNAL_SSH_PORT:-10022}-:22,hostfwd=tcp::${SCREEN_SHARE_PORT:-5900}-:5900,${ADDITIONAL_PORTS}'
+
+# ENV NETWORKING=e1000-82545em
+# renamed to NETWORKING_DEVICE, but not deprecated
+ENV NETWORKING=vmxnet3
+ENV NETWORKING_DEVICE=${NETWORKING}
+
+# boolean for skipping the disk selection menu at in the boot process
+ENV NOPICKER=false
+
+# dynamic RAM options for runtime
+ENV RAM=3
+# ENV RAM=max
+# ENV RAM=half
+
+# The x and y coordinates for resolution.
+# Must be used with either -e GENERATE_UNIQUE=true or -e GENERATE_SPECIFIC=true.
+ENV WIDTH=1920
+ENV HEIGHT=1080
+
+# libguestfs verbose
+ENV LIBGUESTFS_DEBUG=1
+ENV LIBGUESTFS_TRACE=1
+
+VOLUME ["/tmp/.X11-unix"]
+
+CMD sudo touch /dev/kvm /dev/snd "${IMAGE_PATH}" "${BOOTDISK}" "${ENV}" 2>/dev/null || true \
+    ; sudo chown -R $(id -u):$(id -g) /dev/kvm /dev/snd "${IMAGE_PATH}" "${BOOTDISK}" "${ENV}" 2>/dev/null || true \
+    ; [[ "${NOPICKER}" == true ]] && { \
+        sed -i '/^.*InstallMedia.*/d' Launch.sh \
+        && export BOOTDISK="${BOOTDISK:=/home/arch/OSX-KVM/OpenCore-Catalina/OpenCore-nopicker.qcow2}" \
+    ; } \
+    || export BOOTDISK="${BOOTDISK:=/home/arch/OSX-KVM/OpenCore-Catalina/OpenCore.qcow2}" \
+    ; [[ "${GENERATE_UNIQUE}" == true ]] && { \
+        ./Docker-OSX/osx-serial-generator/generate-unique-machine-values.sh \
+            --master-plist-url="${MASTER_PLIST_URL}" \
+            --count 1 \
+            --tsv ./serial.tsv \
+            --bootdisks \
+            --width "${WIDTH:-1920}" \
+            --height "${HEIGHT:-1080}" \
+            --output-bootdisk "${BOOTDISK:=/home/arch/OSX-KVM/OpenCore-Catalina/OpenCore.qcow2}" \
+            --output-env "${ENV:=/env}" \
+    || exit 1 ; } \
+    ; [[ "${GENERATE_SPECIFIC}" == true ]] && { \
+            source "${ENV:=/env}" 2>/dev/null \
+            ; ./Docker-OSX/osx-serial-generator/generate-specific-bootdisk.sh \
+            --master-plist-url="${MASTER_PLIST_URL}" \
+            --model "${DEVICE_MODEL}" \
+            --serial "${SERIAL}" \
+            --board-serial "${BOARD_SERIAL}" \
+            --uuid "${UUID}" \
+            --mac-address "${MAC_ADDRESS}" \
+            --width "${WIDTH:-1920}" \
+            --height "${HEIGHT:-1080}" \
+            --output-bootdisk "${BOOTDISK:=/home/arch/OSX-KVM/OpenCore-Catalina/OpenCore.qcow2}" \
+    || exit 1 ; } \
+    ; ./enable-ssh.sh && /bin/bash -c ./Launch.sh
diff --git a/tests/test.sh b/tests/test.sh
index 1f84a9ea..ab88b3d1 100644
--- a/tests/test.sh
+++ b/tests/test.sh
@@ -33,6 +33,7 @@ Flags
 
 # set -xeuf -o pipefail
 
+grep -i Ubuntu /proc/version || { echo "DO NOT RUN THIS ON YOUR WORKSTATION, ONLY RUN THIS ON A THROWAWAY SERVER FOR 1 TIME TESTING" && exit 1 ; }
 
 # gather arguments
 while (( "$#" )); do