diff --git a/.azure-pipelines/build-swss-template.yml b/.azure-pipelines/build-swss-template.yml
index 54cd78e2c..b68c9c154 100644
--- a/.azure-pipelines/build-swss-template.yml
+++ b/.azure-pipelines/build-swss-template.yml
@@ -74,7 +74,7 @@ jobs:
       sudo perl -i.bk -ne 'print if not /SONiCFileFormat|ActionFileDefaultTemplate/' /etc/rsyslog.conf
       sudo sed -ie '/GLOBAL DIRECTIVES/{s/$/\n\$template SONiCFileFormat,"%TIMESTAMP%.%timestamp:::date-subseconds% %HOSTNAME% %syslogseverity-text:::uppercase% %syslogtag%%msg:::sp-if-no-1st-sp%%msg:::drop-lst-lf%\\n"\n\$ActionFileDefaultTemplate SONiCFileFormat/}' /etc/rsyslog.conf
 
-      sudo service rsyslog start
+      sudo rsyslogd
 
     displayName: "Install dependencies"
   - task: DownloadPipelineArtifact@2
diff --git a/.azure-pipelines/build-template.yml b/.azure-pipelines/build-template.yml
index 006be95a1..e8d855aa1 100644
--- a/.azure-pipelines/build-template.yml
+++ b/.azure-pipelines/build-template.yml
@@ -73,7 +73,6 @@ jobs:
       set -ex
       sudo apt-get update
       sudo apt-get install -qq -y \
-        qtbase5-dev \
         libdbus-glib-1-dev \
         libpcsclite-dev \
         docbook-to-man \
@@ -86,7 +85,6 @@ jobs:
         libnl-nf-3-dev \
         libnl-cli-3-dev \
         swig4.0 \
-        libzmq5 \
         libzmq3-dev \
         autoconf-archive
 
@@ -167,20 +165,10 @@ jobs:
     displayName: "Compile sonic sairedis with coverage enabled"
   - script: |
       sudo cp azsyslog.conf /etc/rsyslog.conf
-      sudo killall rsyslogd
+      sudo pkill -F /run/rsyslogd.pid
       sudo rsyslogd
     displayName: "Update rsyslog.conf"
   - ${{ if eq(parameters.run_unit_test, true) }}:
-    - script: |
-        set -ex
-        git clone https://github.com/gcovr/gcovr.git
-        cd gcovr/
-        git checkout 5.0
-        sudo pip3 install setuptools
-        sudo python3 setup.py install
-        cd ..
-        sudo rm -rf gcovr
-      displayName: "Install gcovr 5.0"
     - script: |
         set -ex
         # Add SYS_TIME capability for settimeofday ok in syncd test
@@ -207,9 +195,9 @@ jobs:
           set -ex
           # Install .NET CORE
           curl -sSL https://packages.microsoft.com/keys/microsoft.asc | sudo apt-key add -
-          sudo apt-add-repository https://packages.microsoft.com/debian/11/prod
+          sudo apt-add-repository https://packages.microsoft.com/debian/12/prod
           sudo apt-get update
-          sudo apt-get install -y dotnet-sdk-7.0
+          sudo apt-get install -y dotnet-sdk-8.0
         displayName: "Install .NET CORE"
       - task: PublishCodeCoverageResults@1
         inputs:
diff --git a/.azure-pipelines/docker-sonic-vs/Dockerfile b/.azure-pipelines/docker-sonic-vs/Dockerfile
index b10817633..e49122e84 100644
--- a/.azure-pipelines/docker-sonic-vs/Dockerfile
+++ b/.azure-pipelines/docker-sonic-vs/Dockerfile
@@ -9,7 +9,10 @@ COPY ["debs", "/debs"]
 # Docker's diff detection mechanism, where only the file size and the modification timestamp (which will remain the
 # same, even though contents have changed) are checked between the previous and current layer.
 RUN dpkg --purge libswsscommon python3-swsscommon sonic-db-cli libsaimetadata libsairedis libsaivs syncd-vs swss sonic-eventd libdashapi
-RUN dpkg -i /debs/libdashapi_1.0.0_amd64.deb \
+
+RUN apt-get update
+
+RUN apt install -y /debs/libdashapi_1.0.0_amd64.deb \
             /debs/libswsscommon_1.0.0_amd64.deb \
             /debs/python3-swsscommon_1.0.0_amd64.deb \
             /debs/sonic-db-cli_1.0.0_amd64.deb \
@@ -19,4 +22,10 @@ RUN dpkg -i /debs/libdashapi_1.0.0_amd64.deb \
             /debs/syncd-vs_1.0.0_amd64.deb \
             /debs/swss_1.0.0_amd64.deb
 
-RUN if [ "$need_dbg" = "y" ] ; then dpkg -i /debs/syncd-vs-dbgsym_1.0.0_amd64.deb ; fi
+RUN if [ "$need_dbg" = "y" ] ; then dpkg -i /debs/libsairedis-dbgsym_1.0.0_amd64.deb ; fi
+
+COPY ["start.sh", "/usr/bin/"]
+
+RUN pip3 install scapy==2.5.0
+
+RUN apt-get -y install software-properties-common libdatetime-perl libcapture-tiny-perl build-essential libcpanel-json-xs-perl git python3-protobuf
diff --git a/.azure-pipelines/docker-sonic-vs/start.sh b/.azure-pipelines/docker-sonic-vs/start.sh
new file mode 100755
index 000000000..f7dbde8dc
--- /dev/null
+++ b/.azure-pipelines/docker-sonic-vs/start.sh
@@ -0,0 +1,187 @@
+#!/bin/bash -e
+
+# Generate configuration
+
+# NOTE: 'PLATFORM' and 'HWSKU' environment variables are set
+# in the Dockerfile so that they persist for the life of the container
+
+ln -sf /usr/share/sonic/device/$PLATFORM /usr/share/sonic/platform
+ln -sf /usr/share/sonic/device/$PLATFORM/$HWSKU /usr/share/sonic/hwsku
+
+SWITCH_TYPE=switch
+PLATFORM_CONF=platform.json
+if [[ $HWSKU == "DPU-2P" ]]; then
+    SWITCH_TYPE=dpu
+    PLATFORM_CONF=platform-dpu-2p.json
+fi
+
+pushd /usr/share/sonic/hwsku
+
+# filter available front panel ports in lanemap.ini
+[ -f lanemap.ini.orig ] || cp lanemap.ini lanemap.ini.orig
+for p in $(ip link show | grep -oE "eth[0-9]+" | grep -v eth0); do
+    grep ^$p: lanemap.ini.orig
+done > lanemap.ini
+
+# filter available sonic front panel ports in port_config.ini
+[ -f port_config.ini.orig ] || cp port_config.ini port_config.ini.orig
+grep ^# port_config.ini.orig > port_config.ini
+for lanes in $(awk -F ':' '{print $2}' lanemap.ini); do
+    grep -E "\s$lanes\s" port_config.ini.orig
+done >> port_config.ini
+
+popd
+
+[ -d /etc/sonic ] || mkdir -p /etc/sonic
+
+# Note: libswsscommon requires a dabase_config file in /var/run/redis/sonic-db/
+# Prepare this file before any dependent application, such as sonic-cfggen
+mkdir -p /var/run/redis/sonic-db
+cp /etc/default/sonic-db/database_config.json /var/run/redis/sonic-db/
+
+SYSTEM_MAC_ADDRESS=$(ip link show eth0 | grep ether | awk '{print $2}')
+sonic-cfggen -t /usr/share/sonic/templates/init_cfg.json.j2 -a "{\"system_mac\": \"$SYSTEM_MAC_ADDRESS\", \"switch_type\": \"$SWITCH_TYPE\"}" > /etc/sonic/init_cfg.json
+
+if [[ -f /usr/share/sonic/virtual_chassis/default_config.json ]]; then
+    sonic-cfggen -j /etc/sonic/init_cfg.json -j /usr/share/sonic/virtual_chassis/default_config.json --print-data > /tmp/init_cfg.json
+    mv /tmp/init_cfg.json /etc/sonic/init_cfg.json
+fi
+
+if [ -f /etc/sonic/config_db.json ]; then
+    sonic-cfggen -j /etc/sonic/init_cfg.json -j /etc/sonic/config_db.json --print-data > /tmp/config_db.json
+    mv /tmp/config_db.json /etc/sonic/config_db.json
+else
+    # generate and merge buffers configuration into config file
+    if [ -f /usr/share/sonic/hwsku/buffers.json.j2 ]; then
+        sonic-cfggen -k $HWSKU -p /usr/share/sonic/device/$PLATFORM/$PLATFORM_CONF -t /usr/share/sonic/hwsku/buffers.json.j2 > /tmp/buffers.json
+        buffers_cmd="-j /tmp/buffers.json"
+    fi
+    if [ -f /usr/share/sonic/hwsku/qos.json.j2 ]; then
+        sonic-cfggen -j /etc/sonic/init_cfg.json -t /usr/share/sonic/hwsku/qos.json.j2 > /tmp/qos.json
+        qos_cmd="-j /tmp/qos.json"
+    fi
+
+    sonic-cfggen -p /usr/share/sonic/device/$PLATFORM/$PLATFORM_CONF -k $HWSKU --print-data > /tmp/ports.json
+    # change admin_status from up to down; Test cases dependent
+    sed -i "s/up/down/g" /tmp/ports.json
+    sonic-cfggen -j /etc/sonic/init_cfg.json $buffers_cmd $qos_cmd -j /tmp/ports.json --print-data > /etc/sonic/config_db.json
+fi
+
+sonic-cfggen -t /usr/share/sonic/templates/copp_cfg.j2 > /etc/sonic/copp_cfg.json
+
+if [ "$HWSKU" == "Mellanox-SN2700" ]; then
+    cp /usr/share/sonic/hwsku/sai_mlnx.profile /usr/share/sonic/hwsku/sai.profile
+elif [ "$HWSKU" == "DPU-2P" ]; then
+    cp /usr/share/sonic/hwsku/sai_dpu_2p.profile /usr/share/sonic/hwsku/sai.profile
+fi
+
+mkdir -p /etc/swss/config.d/
+
+rm -f /var/run/rsyslogd.pid
+
+supervisorctl start rsyslogd
+
+supervisord_cfg="/etc/supervisor/conf.d/supervisord.conf"
+chassisdb_cfg_file="/usr/share/sonic/virtual_chassis/default_config.json"
+chassisdb_cfg_file_default="/etc/default/sonic-db/default_chassis_cfg.json"
+host_template="/usr/share/sonic/templates/hostname.j2"
+db_cfg_file="/var/run/redis/sonic-db/database_config.json"
+db_cfg_file_tmp="/var/run/redis/sonic-db/database_config.json.tmp"
+
+if [ -r "$chassisdb_cfg_file" ]; then
+   echo $(sonic-cfggen -j $chassisdb_cfg_file -t $host_template) >> /etc/hosts
+else
+   chassisdb_cfg_file="$chassisdb_cfg_file_default"
+   echo "10.8.1.200 redis_chassis.server" >> /etc/hosts
+fi
+
+supervisorctl start redis-server
+
+start_chassis_db=`sonic-cfggen -v DEVICE_METADATA.localhost.start_chassis_db -y $chassisdb_cfg_file`
+if [[ "$HOSTNAME" == *"supervisor"* ]] || [ "$start_chassis_db" == "1" ]; then
+   supervisorctl start redis-chassis
+fi
+
+conn_chassis_db=`sonic-cfggen -v DEVICE_METADATA.localhost.connect_to_chassis_db -y $chassisdb_cfg_file`
+if [ "$start_chassis_db" != "1" ] && [ "$conn_chassis_db" != "1" ]; then
+   cp $db_cfg_file $db_cfg_file_tmp
+   update_chassisdb_config -j $db_cfg_file_tmp -d
+   cp $db_cfg_file_tmp $db_cfg_file
+fi
+
+if [ "$conn_chassis_db" == "1" ]; then
+   if [ -f /usr/share/sonic/virtual_chassis/coreportindexmap.ini ]; then
+      cp /usr/share/sonic/virtual_chassis/coreportindexmap.ini /usr/share/sonic/hwsku/
+
+      pushd /usr/share/sonic/hwsku
+
+      # filter available front panel ports in coreportindexmap.ini
+      [ -f coreportindexmap.ini.orig ] || cp coreportindexmap.ini coreportindexmap.ini.orig
+      for p in $(ip link show | grep -oE "eth[0-9]+" | grep -v eth0); do
+          grep ^$p: coreportindexmap.ini.orig
+      done > coreportindexmap.ini
+
+      popd
+   fi
+fi
+
+/usr/bin/configdb-load.sh
+
+if [ "$HWSKU" = "brcm_gearbox_vs" ]; then
+    supervisorctl start gbsyncd
+    supervisorctl start gearsyncd
+fi
+
+supervisorctl start syncd
+
+supervisorctl start portsyncd
+
+supervisorctl start orchagent
+
+supervisorctl start coppmgrd
+
+supervisorctl start neighsyncd
+
+supervisorctl start fdbsyncd
+
+supervisorctl start teamsyncd
+
+supervisorctl start fpmsyncd
+
+supervisorctl start teammgrd
+
+supervisorctl start vrfmgrd
+
+supervisorctl start portmgrd
+
+supervisorctl start intfmgrd
+
+supervisorctl start vlanmgrd
+
+supervisorctl start zebra
+
+supervisorctl start mgmtd
+
+supervisorctl start staticd
+
+supervisorctl start buffermgrd
+
+supervisorctl start nbrmgrd
+
+supervisorctl start vxlanmgrd
+
+supervisorctl start sflowmgrd
+
+supervisorctl start natmgrd
+
+supervisorctl start natsyncd
+
+supervisorctl start tunnelmgrd
+
+supervisorctl start fabricmgrd
+
+# Start arp_update when VLAN exists
+VLAN=`sonic-cfggen -d -v 'VLAN.keys() | join(" ") if VLAN'`
+if [ "$VLAN" != "" ]; then
+    supervisorctl start arp_update
+fi
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 79f3989ae..92bc9933f 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -37,7 +37,7 @@ resources:
 parameters:
   - name: debian_version
     type: string
-    default: bullseye
+    default: bookworm
 variables:
   - name: BUILD_BRANCH
     ${{ if eq(variables['Build.Reason'], 'PullRequest') }}:
@@ -53,8 +53,8 @@ stages:
     parameters:
       arch: amd64
       sonic_slave: sonic-slave-${{ parameters.debian_version }}
-      swss_common_artifact_name: sonic-swss-common
-      artifact_name: sonic-sairedis
+      swss_common_artifact_name: sonic-swss-common-${{ parameters.debian_version }}
+      artifact_name: sonic-sairedis-${{ parameters.debian_version }}
       syslog_artifact_name: sonic-sairedis.syslog
       run_unit_test: true
       archive_gcov: true
@@ -67,11 +67,11 @@ stages:
     parameters:
       arch: amd64
       sonic_slave: sonic-slave-${{ parameters.debian_version }}
-      swss_common_artifact_name: sonic-swss-common
-      artifact_name: sonic-sairedis-asan
+      swss_common_artifact_name: sonic-swss-common-${{ parameters.debian_version }}
+      artifact_name: sonic-sairedis-asan-${{ parameters.debian_version }}
       syslog_artifact_name: sonic-sairedis-asan.syslog
       asan: true
-      run_unit_test: false
+      run_unit_test: true
       archive_gcov: false
       debian_version: ${{ parameters.debian_version }}
 
@@ -85,8 +85,8 @@ stages:
       timeout: 180
       pool: sonicbld-armhf
       sonic_slave: sonic-slave-${{ parameters.debian_version }}-armhf
-      swss_common_artifact_name: sonic-swss-common.armhf
-      artifact_name: sonic-sairedis.armhf
+      swss_common_artifact_name: sonic-swss-common-${{ parameters.debian_version }}.armhf
+      artifact_name: sonic-sairedis-${{ parameters.debian_version }}.armhf
       syslog_artifact_name: sonic-sairedis.syslog.armhf
       debian_version: ${{ parameters.debian_version }}
 
@@ -96,47 +96,11 @@ stages:
       timeout: 180
       pool: sonicbld-arm64
       sonic_slave: sonic-slave-${{ parameters.debian_version }}-arm64
-      swss_common_artifact_name: sonic-swss-common.arm64
-      artifact_name: sonic-sairedis.arm64
+      swss_common_artifact_name: sonic-swss-common-${{ parameters.debian_version }}.arm64
+      artifact_name: sonic-sairedis-${{ parameters.debian_version }}.arm64
       syslog_artifact_name: sonic-sairedis.syslog.arm64
       debian_version: ${{ parameters.debian_version }}
 
-- stage: BuildBookworm
-  dependsOn: BuildArm
-  condition: succeeded('BuildArm')
-  jobs:
-  - template: .azure-pipelines/build-template.yml
-    parameters:
-      arch: amd64
-      sonic_slave: sonic-slave-bookworm
-      swss_common_artifact_name: sonic-swss-common-bookworm
-      artifact_name: sonic-sairedis-bookworm
-      syslog_artifact_name: sonic-sairedis-bookworm.syslog
-      run_unit_test: true
-      debian_version: ${{ parameters.debian_version }}
-
-  - template: .azure-pipelines/build-template.yml
-    parameters:
-      arch: armhf
-      timeout: 180
-      pool: sonicbld-armhf
-      sonic_slave: sonic-slave-bookworm-armhf
-      swss_common_artifact_name: sonic-swss-common-bookworm.armhf
-      artifact_name: sonic-sairedis-bookworm.armhf
-      syslog_artifact_name: sonic-sairedis-bookworm.syslog.armhf
-      debian_version: ${{ parameters.debian_version }}
-
-  - template: .azure-pipelines/build-template.yml
-    parameters:
-      arch: arm64
-      timeout: 180
-      pool: sonicbld-arm64
-      sonic_slave: sonic-slave-bookworm-arm64
-      swss_common_artifact_name: sonic-swss-common-bookworm.arm64
-      artifact_name: sonic-sairedis-bookworm.arm64
-      syslog_artifact_name: sonic-sairedis-bookworm.syslog.arm64
-      debian_version: ${{ parameters.debian_version }}
-
 - stage: BuildSwss
   dependsOn: Build
   condition: succeeded('Build')
@@ -145,10 +109,10 @@ stages:
     parameters:
       arch: amd64
       sonic_slave: sonic-slave-${{ parameters.debian_version }}
-      swss_common_artifact_name: sonic-swss-common
-      sairedis_artifact_name: sonic-sairedis
+      swss_common_artifact_name: sonic-swss-common-${{ parameters.debian_version }}
+      sairedis_artifact_name: sonic-sairedis-${{ parameters.debian_version }}
       syslog_artifact_name: sonic-swss.syslog
-      artifact_name: sonic-swss
+      artifact_name: sonic-swss-${{ parameters.debian_version }}
       debian_version: ${{ parameters.debian_version }}
 
 - stage: BuildDocker
@@ -157,9 +121,9 @@ stages:
   jobs:
   - template: .azure-pipelines/build-docker-sonic-vs-template.yml
     parameters:
-      swss_common_artifact_name: sonic-swss-common
-      sairedis_artifact_name: sonic-sairedis
-      swss_artifact_name: sonic-swss
+      swss_common_artifact_name: sonic-swss-common-${{ parameters.debian_version }}
+      sairedis_artifact_name: sonic-sairedis-${{ parameters.debian_version }}
+      swss_artifact_name: sonic-swss-${{ parameters.debian_version }}
       artifact_name: docker-sonic-vs
 
 - stage: BuildDockerAsan
@@ -170,9 +134,9 @@ stages:
   jobs:
   - template: .azure-pipelines/build-docker-sonic-vs-template.yml
     parameters:
-      swss_common_artifact_name: sonic-swss-common
-      sairedis_artifact_name: sonic-sairedis-asan
-      swss_artifact_name: sonic-swss
+      swss_common_artifact_name: sonic-swss-common-${{ parameters.debian_version }}
+      sairedis_artifact_name: sonic-sairedis-asan-${{ parameters.debian_version }}
+      swss_artifact_name: sonic-swss-${{ parameters.debian_version }}
       artifact_name: docker-sonic-vs-asan
       asan: true