diff --git a/dockers/docker-platform-monitor/Dockerfile.j2 b/dockers/docker-platform-monitor/Dockerfile.j2
index 739933aaf1e5..1e8c28b0682e 100755
--- a/dockers/docker-platform-monitor/Dockerfile.j2
+++ b/dockers/docker-platform-monitor/Dockerfile.j2
@@ -1,5 +1,5 @@
 {% from "dockers/dockerfile-macros.j2" import install_debian_packages, install_python_wheels, copy_files %}
-FROM docker-config-engine-buster-{{DOCKER_USERNAME}}:{{DOCKER_USERTAG}}
+FROM docker-config-engine-bullseye-{{DOCKER_USERNAME}}:{{DOCKER_USERTAG}}
 
 ARG docker_container_name
 ARG image_version
diff --git a/platform/mellanox/docker-saiserver-mlnx.mk b/platform/mellanox/docker-saiserver-mlnx.mk
index d71349a28ae7..74fb96f91d1b 100644
--- a/platform/mellanox/docker-saiserver-mlnx.mk
+++ b/platform/mellanox/docker-saiserver-mlnx.mk
@@ -20,15 +20,12 @@ DOCKER_SAISERVER_MLNX = docker-saiserver$(SAITHRIFT_VER)-mlnx.gz
 $(DOCKER_SAISERVER_MLNX)_PATH = $(PLATFORM_PATH)/docker-saiserver-mlnx
 $(DOCKER_SAISERVER_MLNX)_DEPENDS += $(SAISERVER) $(PYTHON_SDK_API)
 $(DOCKER_SAISERVER_MLNX)_PYTHON_DEBS += $(MLNX_SFPD)
-$(DOCKER_SAISERVER_MLNX)_LOAD_DOCKERS += $(DOCKER_CONFIG_ENGINE_BUSTER)
+$(DOCKER_SAISERVER_MLNX)_LOAD_DOCKERS += $(DOCKER_CONFIG_ENGINE_BULLSEYE)
 SONIC_DOCKER_IMAGES += $(DOCKER_SAISERVER_MLNX)
-SONIC_BUSTER_DOCKERS += $(DOCKER_SAISERVER_MLNX)
-
 $(DOCKER_SAISERVER_MLNX)_CONTAINER_NAME = saiserver$(SAITHRIFT_VER)
+SONIC_BULLSEYE_DOCKERS += $(DOCKER_SAISERVER_MLNX)
 
 $(DOCKER_SAISERVER_MLNX)_RUN_OPT += --privileged -t
 $(DOCKER_SAISERVER_MLNX)_RUN_OPT += -v /host/machine.conf:/etc/machine.conf
 $(DOCKER_SAISERVER_MLNX)_RUN_OPT += -v /etc/sonic:/etc/sonic:ro
 $(DOCKER_SYNCD_BASE)_RUN_OPT += --tmpfs /run/criu
-
-SONIC_BUSTER_DOCKERS += $(DOCKER_SAISERVER_MLNX)
diff --git a/platform/mellanox/docker-saiserver-mlnx/Dockerfile.j2 b/platform/mellanox/docker-saiserver-mlnx/Dockerfile.j2
index 7ad0355886e3..20f966eb3e83 100644
--- a/platform/mellanox/docker-saiserver-mlnx/Dockerfile.j2
+++ b/platform/mellanox/docker-saiserver-mlnx/Dockerfile.j2
@@ -15,7 +15,7 @@
 ## limitations under the License.
 ##
 {% from "dockers/dockerfile-macros.j2" import install_debian_packages %}
-FROM docker-config-engine-buster-{{DOCKER_USERNAME}}:{{DOCKER_USERTAG}}
+FROM docker-config-engine-bullseye-{{DOCKER_USERNAME}}:{{DOCKER_USERTAG}}
 
 ARG docker_container_name
 RUN [ -f /etc/rsyslog.conf ] && sed -ri "s/%syslogtag%/$docker_container_name#%syslogtag%/;" /etc/rsyslog.conf
@@ -41,7 +41,7 @@ python-debs/{{ deb }}{{' '}}
 {%- endfor -%}
 debs/
 
-RUN apt-get install -y --no-install-recommends libxml2 iptables libbsd0 protobuf-c-compiler protobuf-compiler python-protobuf libprotobuf-c1 python-future python-ipaddr libnet1 pkg-config asciidoc xmlto
+RUN apt-get install -y --no-install-recommends libxml2 iptables libbsd0 protobuf-c-compiler protobuf-compiler python3-protobuf libprotobuf-c1 python3-future python3-ipaddr libnet1 pkg-config asciidoc xmlto
 
 {{ install_debian_packages(docker_saiserver_mlnx_debs.split(' ')) }}
 
diff --git a/platform/mellanox/docker-syncd-mlnx-rpc.mk b/platform/mellanox/docker-syncd-mlnx-rpc.mk
index fb740cdee4e9..9d6ce4bc6f1b 100644
--- a/platform/mellanox/docker-syncd-mlnx-rpc.mk
+++ b/platform/mellanox/docker-syncd-mlnx-rpc.mk
@@ -30,7 +30,7 @@ endif
 $(DOCKER_SYNCD_MLNX_RPC)_PYTHON_DEBS += $(MLNX_SFPD)
 $(DOCKER_SYNCD_MLNX_RPC)_LOAD_DOCKERS += $(DOCKER_SYNCD_BASE)
 SONIC_DOCKER_IMAGES += $(DOCKER_SYNCD_MLNX_RPC)
-SONIC_BUSTER_DOCKERS += $(DOCKER_SYNCD_MLNX_RPC)
+SONIC_BULLSEYE_DOCKERS += $(DOCKER_SYNCD_MLNX_RPC)
 ifeq ($(ENABLE_SYNCD_RPC),y)
 SONIC_INSTALL_DOCKER_IMAGES += $(DOCKER_SYNCD_MLNX_RPC)
 endif
@@ -42,5 +42,3 @@ $(DOCKER_SYNCD_MLNX_RPC)_RUN_OPT += --privileged -t
 $(DOCKER_SYNCD_MLNX_RPC)_RUN_OPT += -v /host/machine.conf:/etc/machine.conf
 $(DOCKER_SYNCD_MLNX_RPC)_RUN_OPT += -v /etc/sonic:/etc/sonic:ro
 $(DOCKER_SYNCD_MLNX_RPC)_RUN_OPT += -v /host/warmboot:/var/warmboot
-
-SONIC_BUSTER_DOCKERS += $(DOCKER_SYNCD_MLNX_RPC)
diff --git a/platform/mellanox/docker-syncd-mlnx-rpc/Dockerfile.j2 b/platform/mellanox/docker-syncd-mlnx-rpc/Dockerfile.j2
index 0c93e327d3c5..d10d560110c6 100644
--- a/platform/mellanox/docker-syncd-mlnx-rpc/Dockerfile.j2
+++ b/platform/mellanox/docker-syncd-mlnx-rpc/Dockerfile.j2
@@ -24,21 +24,10 @@ RUN mkdir -p /var/run/sx_sdk
 
 RUN apt-get purge -y syncd
 
-{% if docker_syncd_mlnx_rpc_debs.strip() -%}
-# Copy locally-built Debian package dependencies
-{{ copy_files("debs/", docker_syncd_mlnx_rpc_debs.split(' '), "/debs/") }}
-{% endif %}
-
-{% if docker_syncd_mlnx_rpc_pydebs.strip() -%}
-# Copy locally-built Debian package dependencies
-{{ copy_files("python-debs/", docker_syncd_mlnx_rpc_pydebs.split(' '), "/debs/") }}
-{% endif %}
-
 ## Pre-install the fundamental packages
 RUN apt-get update \
  && apt-get -y install  \
     net-tools           \
-    python-pip          \
     python-setuptools   \
     build-essential     \
     libssl-dev          \
@@ -48,7 +37,22 @@ RUN apt-get update \
     cmake               \
     libqt5core5a        \
     libqt5network5      \
-    libboost-atomic1.71.0
+    libboost-atomic1.74.0
+
+# Build and install python-scapy
+RUN curl http://ftp.us.debian.org/debian/pool/main/s/scapy/python-scapy_2.4.0-2_all.deb --output python-scapy_2.4.0-2_all.deb \
+ && dpkg -i python-scapy_2.4.0-2_all.deb \
+ && apt install -f
+
+{% if docker_syncd_mlnx_rpc_debs.strip() -%}
+# Copy locally-built Debian package dependencies
+{{ copy_files("debs/", docker_syncd_mlnx_rpc_debs.split(' '), "/debs/") }}
+{% endif %}
+
+{% if docker_syncd_mlnx_rpc_pydebs.strip() -%}
+# Copy locally-built Debian package dependencies
+{{ copy_files("python-debs/", docker_syncd_mlnx_rpc_pydebs.split(' '), "/debs/") }}
+{% endif %}
 
 {% if docker_syncd_mlnx_rpc_debs.strip() -%}
 # Install locally-built Debian packages and implicitly install their dependencies
@@ -60,6 +64,9 @@ RUN apt-get update \
 {{ install_debian_packages(docker_syncd_mlnx_rpc_pydebs.split(' ')) }}
 {% endif %}
 
+# Install pip2 since it is no longer in the APT upstream
+RUN curl https://bootstrap.pypa.io/pip/2.7/get-pip.py --output get-pip.py \
+ && python2 get-pip.py
 
 RUN wget https://github.com/nanomsg/nanomsg/archive/1.0.0.tar.gz \
  && tar xvfz 1.0.0.tar.gz \
diff --git a/platform/mellanox/docker-syncd-mlnx-rpc/ptf_nn_agent.conf b/platform/mellanox/docker-syncd-mlnx-rpc/ptf_nn_agent.conf
index cd6a7d4db75d..80812464a19e 100644
--- a/platform/mellanox/docker-syncd-mlnx-rpc/ptf_nn_agent.conf
+++ b/platform/mellanox/docker-syncd-mlnx-rpc/ptf_nn_agent.conf
@@ -1,5 +1,5 @@
 [program:ptf_nn_agent]
-command=/usr/bin/python /opt/ptf_nn_agent.py --device-socket 1@tcp://0.0.0.0:10900 -i 1-3@Ethernet12 --set-nn-rcv-buffer=109430400 --set-iface-rcv-buffer=109430400 --set-nn-snd-buffer=109430400 --set-iface-snd-buffer=109430400
+command=/usr/bin/python2 /opt/ptf_nn_agent.py --device-socket 1@tcp://0.0.0.0:10900 -i 1-3@Ethernet12 --set-nn-rcv-buffer=109430400 --set-iface-rcv-buffer=109430400 --set-nn-snd-buffer=109430400 --set-iface-snd-buffer=109430400
 process_name=ptf_nn_agent
 stdout_logfile=/tmp/ptf_nn_agent.out.log
 stderr_logfile=/tmp/ptf_nn_agent.err.log
diff --git a/platform/mellanox/docker-syncd-mlnx.mk b/platform/mellanox/docker-syncd-mlnx.mk
index a2e733782b9e..1328d0e0d0dd 100644
--- a/platform/mellanox/docker-syncd-mlnx.mk
+++ b/platform/mellanox/docker-syncd-mlnx.mk
@@ -17,7 +17,7 @@
 # docker image for mlnx syncd
 
 DOCKER_SYNCD_PLATFORM_CODE = mlnx
-include $(PLATFORM_PATH)/../template/docker-syncd-base.mk
+include $(PLATFORM_PATH)/../template/docker-syncd-bullseye.mk
 
 $(DOCKER_SYNCD_BASE)_DEPENDS += $(SYNCD) $(PYTHON_SDK_API) $(MFT)
 
diff --git a/platform/mellanox/docker-syncd-mlnx/Dockerfile.j2 b/platform/mellanox/docker-syncd-mlnx/Dockerfile.j2
index e3487c058b58..70c8795fb9e0 100755
--- a/platform/mellanox/docker-syncd-mlnx/Dockerfile.j2
+++ b/platform/mellanox/docker-syncd-mlnx/Dockerfile.j2
@@ -15,7 +15,7 @@
 ## limitations under the License.
 ##
 {% from "dockers/dockerfile-macros.j2" import install_debian_packages, install_python_wheels, copy_files %}
-FROM docker-config-engine-buster-{{DOCKER_USERNAME}}:{{DOCKER_USERTAG}}
+FROM docker-config-engine-bullseye-{{DOCKER_USERNAME}}:{{DOCKER_USERTAG}}
 
 ARG docker_container_name
 
@@ -29,14 +29,15 @@ ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get update && \
     apt-get install -y \
         libxml2     \
-        python-pip  \
-        python-dev \
+        python3-pip  \
+        python3-dev \
+        python-is-python3 \
 {%- if ENABLE_ASAN == "y" %}
         libasan5 \
 {%- endif %}
-        python-setuptools
+        python3-setuptools
 
-RUN pip2 install --upgrade pip
+RUN pip3 install --upgrade pip
 RUN apt-get purge -y python-pip
 
 {% if docker_syncd_mlnx_debs.strip() -%}
diff --git a/platform/mellanox/issu-version.mk b/platform/mellanox/issu-version.mk
index d369ec600236..ee0855c56ced 100644
--- a/platform/mellanox/issu-version.mk
+++ b/platform/mellanox/issu-version.mk
@@ -19,9 +19,7 @@
 ISSU_VERSION_FILE = issu-version
 $(ISSU_VERSION_FILE)_SRC_PATH = $(PLATFORM_PATH)/issu-version
 
-ifeq ($(BLDENV), buster)
 $(ISSU_VERSION_FILE)_DEPENDS += $(APPLIBS)
-endif
 
 SONIC_MAKE_FILES += $(ISSU_VERSION_FILE)
 
diff --git a/platform/mellanox/issu-version/Makefile b/platform/mellanox/issu-version/Makefile
index 2578e9ff060b..fbb21af74902 100644
--- a/platform/mellanox/issu-version/Makefile
+++ b/platform/mellanox/issu-version/Makefile
@@ -19,15 +19,10 @@ SHELL = /bin/bash
 .SHELLFLAGS += -e
 
 MAIN_TARGET = issu-version
-BUSTER_FILES_PATH = /sonic/target/files/buster
 
 $(addprefix $(DEST)/, $(MAIN_TARGET)): $(DEST)/% :
-ifneq (,$(findstring buster,$(DEST)))
 	sx_sdk --version | egrep -o 'ISSU [0-9]+' > $(DEST)/$(MAIN_TARGET) || {
 		echo "ISSU version is undefined: $(sx_sdk --version)"
 		rm $(DEST)/$(MAIN_TARGET)
 		exit 1
 	}
-else
-	cp $(BUSTER_FILES_PATH)/$(MAIN_TARGET) $(DEST)/$(MAIN_TARGET)
-endif
diff --git a/platform/mellanox/libsaithrift-dev.mk b/platform/mellanox/libsaithrift-dev.mk
index 579a41f02a24..4ee241eab4c7 100644
--- a/platform/mellanox/libsaithrift-dev.mk
+++ b/platform/mellanox/libsaithrift-dev.mk
@@ -20,14 +20,9 @@ SAI_VER = 0.9.4
 
 LIBSAITHRIFT_DEV = libsaithrift$(SAITHRIFT_VER)-dev_$(SAI_VER)_amd64.deb
 $(LIBSAITHRIFT_DEV)_SRC_PATH = $(SRC_PATH)/sonic-sairedis/SAI
-ifeq ($(SAITHRIFT_V2),y)
-$(LIBSAITHRIFT_DEV)_DEPENDS += $(LIBTHRIFT_0_14_1) $(LIBTHRIFT_0_14_1_DEV) $(PYTHON3_THRIFT_0_14_1) $(THRIFT_0_14_1_COMPILER)
-$(LIBSAITHRIFT_DEV)_RDEPENDS += $(LIBTHRIFT_0_14_1)
-$(LIBSAITHRIFT_DEV)_BUILD_ENV = SAITHRIFTV2=true SAITHRIFT_VER=v2
-else
 $(LIBSAITHRIFT_DEV)_DEPENDS += $(LIBTHRIFT) $(LIBTHRIFT_DEV) $(PYTHON_THRIFT) $(THRIFT_COMPILER)
 $(LIBSAITHRIFT_DEV)_RDEPENDS += $(LIBTHRIFT)
-endif
+$(LIBSAITHRIFT_DEV)_BUILD_ENV = SAITHRIFT_VER=v2 # Workaround to use python3 in build
 $(LIBSAITHRIFT_DEV)_DEPENDS += $(MLNX_SAI) $(MLNX_SAI_DEV)
 $(LIBSAITHRIFT_DEV)_RDEPENDS += $(MLNX_SAI)
 
diff --git a/platform/mellanox/mft.mk b/platform/mellanox/mft.mk
index 981c456906b3..7dc654381f5a 100644
--- a/platform/mellanox/mft.mk
+++ b/platform/mellanox/mft.mk
@@ -25,12 +25,10 @@ MFT = mft_$(MFT_VERSION)-$(MFT_REVISION)_amd64.deb
 $(MFT)_SRC_PATH = $(PLATFORM_PATH)/mft
 SONIC_MAKE_DEBS += $(MFT)
 
-ifeq ($(BLDENV), bullseye)
 $(MFT)_DEPENDS += $(LINUX_HEADERS) $(LINUX_HEADERS_COMMON)
 
 KERNEL_MFT = kernel-mft-dkms-modules-$(KVERSION)_$(MFT_VERSION)_amd64.deb
 $(eval $(call add_derived_package,$(MFT),$(KERNEL_MFT)))
-endif
 
 MFT_OEM = mft-oem_$(MFT_VERSION)-$(MFT_REVISION)_amd64.deb
 $(eval $(call add_derived_package,$(MFT),$(MFT_OEM)))
diff --git a/platform/mellanox/mft/Makefile b/platform/mellanox/mft/Makefile
index ed2fe7b1d1a1..755ef4afc220 100644
--- a/platform/mellanox/mft/Makefile
+++ b/platform/mellanox/mft/Makefile
@@ -35,7 +35,6 @@ $(addprefix $(DEST)/, $(MAIN_TARGET)): $(DEST)/% :
 	wget -O $(MFT_TGZ) http://www.mellanox.com/downloads/MFT/$(MFT_TGZ)
 	tar xzf $(MFT_TGZ)
 
-ifneq (,$(findstring bullseye,$(DEST)))
 	pushd $(MFT_NAME)/SDEBS
 
 	# put a lock here because dpkg does not allow installing packages in parallel
@@ -63,7 +62,6 @@ ifneq (,$(findstring bullseye,$(DEST)))
 	popd
 
 	rm -rf $(DKMS_TMP)
-endif
 
 	# fix timestamp because we do not actually build tools, only kernel
 	touch $(MFT_NAME)/DEBS/*.deb
diff --git a/platform/template/docker-syncd-bullseye.mk b/platform/template/docker-syncd-bullseye.mk
new file mode 100644
index 000000000000..d98d351acae5
--- /dev/null
+++ b/platform/template/docker-syncd-bullseye.mk
@@ -0,0 +1,33 @@
+# docker image for syncd
+
+
+DOCKER_SYNCD_BASE_STEM = docker-syncd-$(DOCKER_SYNCD_PLATFORM_CODE)
+DOCKER_SYNCD_BASE = $(DOCKER_SYNCD_BASE_STEM).gz
+DOCKER_SYNCD_BASE_DBG = $(DOCKER_SYNCD_BASE_STEM)-$(DBG_IMAGE_MARK).gz
+
+$(DOCKER_SYNCD_BASE)_PATH = $(PLATFORM_PATH)/docker-syncd-$(DOCKER_SYNCD_PLATFORM_CODE)
+
+$(DOCKER_SYNCD_BASE)_FILES += $(SUPERVISOR_PROC_EXIT_LISTENER_SCRIPT)
+
+$(DOCKER_SYNCD_BASE)_LOAD_DOCKERS += $(DOCKER_CONFIG_ENGINE_BULLSEYE)
+$(DOCKER_SYNCD_BASE)_DBG_DEPENDS += $($(DOCKER_CONFIG_ENGINE_BULLSEYE)_DBG_DEPENDS)
+$(DOCKER_SYNCD_BASE)_DBG_IMAGE_PACKAGES = $($(DOCKER_CONFIG_ENGINE_BULLSEYE)_DBG_IMAGE_PACKAGES)
+
+SONIC_DOCKER_IMAGES += $(DOCKER_SYNCD_BASE)
+ifneq ($(ENABLE_SYNCD_RPC),y)
+SONIC_INSTALL_DOCKER_IMAGES += $(DOCKER_SYNCD_BASE)
+endif
+
+SONIC_DOCKER_DBG_IMAGES += $(DOCKER_SYNCD_BASE_DBG)
+ifneq ($(ENABLE_SYNCD_RPC),y)
+SONIC_INSTALL_DOCKER_DBG_IMAGES += $(DOCKER_SYNCD_BASE_DBG)
+endif
+
+$(DOCKER_SYNCD_BASE)_CONTAINER_NAME = syncd
+$(DOCKER_SYNCD_BASE)_RUN_OPT += --privileged -t
+$(DOCKER_SYNCD_BASE)_RUN_OPT += -v /host/machine.conf:/etc/machine.conf
+$(DOCKER_SYNCD_BASE)_RUN_OPT += -v /etc/sonic:/etc/sonic:ro
+
+SONIC_BULLSEYE_DOCKERS += $(DOCKER_SYNCD_BASE)
+SONIC_BULLSEYE_DBG_DOCKERS += $(DOCKER_SYNCD_BASE_DBG)
+
diff --git a/rules/docker-platform-monitor.mk b/rules/docker-platform-monitor.mk
index 21babbcb49f4..bcfd6000fa00 100644
--- a/rules/docker-platform-monitor.mk
+++ b/rules/docker-platform-monitor.mk
@@ -27,13 +27,13 @@ ifeq ($(PDDF_SUPPORT),y)
 $(DOCKER_PLATFORM_MONITOR)_PYTHON_WHEELS += $(PDDF_PLATFORM_API_BASE_PY3)
 endif
 
-$(DOCKER_PLATFORM_MONITOR)_DBG_DEPENDS = $($(DOCKER_CONFIG_ENGINE_BUSTER)_DBG_DEPENDS)
+$(DOCKER_PLATFORM_MONITOR)_DBG_DEPENDS = $($(DOCKER_CONFIG_ENGINE_BULLSEYE)_DBG_DEPENDS)
 $(DOCKER_PLATFORM_MONITOR)_DBG_DEPENDS += $(LIBSWSSCOMMON_DBG) $(LIBSENSORS_DBG)
 $(DOCKER_PLATFORM_MONITOR)_DBG_DEPENDS += $(LM_SENSORS_DBG) $(SENSORD_DBG)
 
-$(DOCKER_PLATFORM_MONITOR)_DBG_IMAGE_PACKAGES = $($(DOCKER_CONFIG_ENGINE_BUSTER)_DBG_IMAGE_PACKAGES)
+$(DOCKER_PLATFORM_MONITOR)_DBG_IMAGE_PACKAGES = $($(DOCKER_CONFIG_ENGINE_BULLSEYE)_DBG_IMAGE_PACKAGES)
 
-$(DOCKER_PLATFORM_MONITOR)_LOAD_DOCKERS = $(DOCKER_CONFIG_ENGINE_BUSTER)
+$(DOCKER_PLATFORM_MONITOR)_LOAD_DOCKERS = $(DOCKER_CONFIG_ENGINE_BULLSEYE)
 
 $(DOCKER_PLATFORM_MONITOR)_VERSION = 1.0.0
 $(DOCKER_PLATFORM_MONITOR)_PACKAGE_NAME = pmon
@@ -66,5 +66,5 @@ $(DOCKER_PLATFORM_MONITOR)_BASE_IMAGE_FILES += cmd_wrapper:/usr/sbin/SmartCmd
 $(DOCKER_PLATFORM_MONITOR)_BASE_IMAGE_FILES += cmd_wrapper:/usr/bin/ethtool
 $(DOCKER_PLATFORM_MONITOR)_FILES += $(SUPERVISOR_PROC_EXIT_LISTENER_SCRIPT)
 
-SONIC_BUSTER_DOCKERS += $(DOCKER_PLATFORM_MONITOR)
-SONIC_BUSTER_DBG_DOCKERS += $(DOCKER_PLATFORM_MONITOR_DBG)
+SONIC_BULLSEYE_DOCKERS += $(DOCKER_PLATFORM_MONITOR)
+SONIC_BULLSEYE_DBG_DOCKERS += $(DOCKER_PLATFORM_MONITOR_DBG)
diff --git a/rules/lm-sensors.mk b/rules/lm-sensors.mk
index 414aeb72b229..b33f7cc3a61c 100644
--- a/rules/lm-sensors.mk
+++ b/rules/lm-sensors.mk
@@ -1,11 +1,13 @@
 # lm-senensors package
 
 LM_SENSORS_MAJOR_VERSION = 3
-LM_SENSORS_MINOR_VERSION = 5
+LM_SENSORS_MINOR_VERSION = 6
 LM_SENSORS_PATCH_VERSION = 0
 
+LIBSENSORS_VERSION = 5
+
 LM_SENSORS_VERSION=$(LM_SENSORS_MAJOR_VERSION).$(LM_SENSORS_MINOR_VERSION).$(LM_SENSORS_PATCH_VERSION)
-LM_SENSORS_VERSION_FULL=$(LM_SENSORS_VERSION)-3
+LM_SENSORS_VERSION_FULL=$(LM_SENSORS_VERSION)-7
 
 LM_SENSORS = lm-sensors_$(LM_SENSORS_VERSION_FULL)_$(CONFIGURED_ARCH).deb
 $(LM_SENSORS)_SRC_PATH = $(SRC_PATH)/lm-sensors
@@ -16,10 +18,10 @@ $(eval $(call add_derived_package,$(LM_SENSORS),$(LM_SENSORS_DBG)))
 FANCONTROL = fancontrol_$(LM_SENSORS_VERSION_FULL)_all.deb
 $(eval $(call add_derived_package,$(LM_SENSORS),$(FANCONTROL)))
 
-LIBSENSORS = libsensors$(LM_SENSORS_MINOR_VERSION)_$(LM_SENSORS_VERSION_FULL)_$(CONFIGURED_ARCH).deb
+LIBSENSORS = libsensors$(LIBSENSORS_VERSION)_$(LM_SENSORS_VERSION_FULL)_$(CONFIGURED_ARCH).deb
 $(eval $(call add_derived_package,$(LM_SENSORS),$(LIBSENSORS)))
 
-LIBSENSORS_DBG = libsensors$(LM_SENSORS_MINOR_VERSION)-dbgsym_$(LM_SENSORS_VERSION_FULL)_$(CONFIGURED_ARCH).deb
+LIBSENSORS_DBG = libsensors$(LIBSENSORS_VERSION)-dbgsym_$(LM_SENSORS_VERSION_FULL)_$(CONFIGURED_ARCH).deb
 $(eval $(call add_derived_package,$(LM_SENSORS),$(LIBSENSORS_DBG)))
 
 SENSORD = sensord_$(LM_SENSORS_VERSION_FULL)_$(CONFIGURED_ARCH).deb
diff --git a/rules/sonic-ledd.mk b/rules/sonic-ledd.mk
index 1439d2c506b0..6abd3eda11cc 100644
--- a/rules/sonic-ledd.mk
+++ b/rules/sonic-ledd.mk
@@ -13,7 +13,7 @@ SONIC_PYTHON_WHEELS += $(SONIC_LEDD_PY2)
 
 SONIC_LEDD_PY3 = sonic_ledd-1.1-py3-none-any.whl
 $(SONIC_LEDD_PY3)_SRC_PATH = $(SRC_PATH)/sonic-platform-daemons/sonic-ledd
-$(SONIC_LEDD_PY3)_DEPENDS = $(SONIC_PY_COMMON_PY3) $(SONIC_LEDD_PY2)
+$(SONIC_LEDD_PY3)_DEPENDS = $(SONIC_PY_COMMON_PY3)
 $(SONIC_LEDD_PY3)_DEBS_DEPENDS = $(LIBSWSSCOMMON) $(PYTHON3_SWSSCOMMON)
 $(SONIC_LEDD_PY3)_PYTHON_VERSION = 3
 SONIC_PYTHON_WHEELS += $(SONIC_LEDD_PY3)
diff --git a/rules/sonic-psud.mk b/rules/sonic-psud.mk
index a576be3ea03a..1c878f7e7ecf 100644
--- a/rules/sonic-psud.mk
+++ b/rules/sonic-psud.mk
@@ -13,7 +13,7 @@ SONIC_PYTHON_WHEELS += $(SONIC_PSUD_PY2)
 
 SONIC_PSUD_PY3 = sonic_psud-1.0-py3-none-any.whl
 $(SONIC_PSUD_PY3)_SRC_PATH = $(SRC_PATH)/sonic-platform-daemons/sonic-psud
-$(SONIC_PSUD_PY3)_DEPENDS = $(SONIC_PY_COMMON_PY3) $(SONIC_PLATFORM_COMMON_PY3) $(SONIC_PSUD_PY2)
+$(SONIC_PSUD_PY3)_DEPENDS = $(SONIC_PY_COMMON_PY3) $(SONIC_PLATFORM_COMMON_PY3)
 $(SONIC_PSUD_PY3)_DEBS_DEPENDS = $(LIBSWSSCOMMON) $(PYTHON3_SWSSCOMMON)
 $(SONIC_PSUD_PY3)_PYTHON_VERSION = 3
 SONIC_PYTHON_WHEELS += $(SONIC_PSUD_PY3)
diff --git a/rules/sonic-syseepromd.mk b/rules/sonic-syseepromd.mk
index 03cc20a38f7a..9f1ba5907128 100644
--- a/rules/sonic-syseepromd.mk
+++ b/rules/sonic-syseepromd.mk
@@ -13,7 +13,7 @@ SONIC_PYTHON_WHEELS += $(SONIC_SYSEEPROMD_PY2)
 
 SONIC_SYSEEPROMD_PY3 = sonic_syseepromd-1.0-py3-none-any.whl
 $(SONIC_SYSEEPROMD_PY3)_SRC_PATH = $(SRC_PATH)/sonic-platform-daemons/sonic-syseepromd
-$(SONIC_SYSEEPROMD_PY3)_DEPENDS = $(SONIC_PY_COMMON_PY3) $(SONIC_PLATFORM_COMMON_PY3) $(SONIC_SYSEEPROMD_PY2)
+$(SONIC_SYSEEPROMD_PY3)_DEPENDS = $(SONIC_PY_COMMON_PY3) $(SONIC_PLATFORM_COMMON_PY3)
 $(SONIC_SYSEEPROMD_PY3)_DEBS_DEPENDS = $(LIBSWSSCOMMON) $(PYTHON3_SWSSCOMMON)
 $(SONIC_SYSEEPROMD_PY3)_PYTHON_VERSION = 3
 SONIC_PYTHON_WHEELS += $(SONIC_SYSEEPROMD_PY3)
diff --git a/rules/sonic-thermalctld.mk b/rules/sonic-thermalctld.mk
index a73196e674c0..eb17d3eb1aa1 100644
--- a/rules/sonic-thermalctld.mk
+++ b/rules/sonic-thermalctld.mk
@@ -13,7 +13,7 @@ SONIC_PYTHON_WHEELS += $(SONIC_THERMALCTLD_PY2)
 
 SONIC_THERMALCTLD_PY3 = sonic_thermalctld-1.0-py3-none-any.whl
 $(SONIC_THERMALCTLD_PY3)_SRC_PATH = $(SRC_PATH)/sonic-platform-daemons/sonic-thermalctld
-$(SONIC_THERMALCTLD_PY3)_DEPENDS = $(SONIC_PY_COMMON_PY3) $(SONIC_PLATFORM_COMMON_PY3) $(SONIC_THERMALCTLD_PY2)
+$(SONIC_THERMALCTLD_PY3)_DEPENDS = $(SONIC_PY_COMMON_PY3) $(SONIC_PLATFORM_COMMON_PY3)
 $(SONIC_THERMALCTLD_PY3)_DEBS_DEPENDS = $(LIBSWSSCOMMON) $(PYTHON3_SWSSCOMMON)
 $(SONIC_THERMALCTLD_PY3)_PYTHON_VERSION = 3
 SONIC_PYTHON_WHEELS += $(SONIC_THERMALCTLD_PY3)
diff --git a/rules/sonic-xcvrd.mk b/rules/sonic-xcvrd.mk
index 018363f367fd..a322fbd4e1b3 100644
--- a/rules/sonic-xcvrd.mk
+++ b/rules/sonic-xcvrd.mk
@@ -13,7 +13,7 @@ SONIC_PYTHON_WHEELS += $(SONIC_XCVRD_PY2)
 
 SONIC_XCVRD_PY3 = sonic_xcvrd-1.0-py3-none-any.whl
 $(SONIC_XCVRD_PY3)_SRC_PATH = $(SRC_PATH)/sonic-platform-daemons/sonic-xcvrd
-$(SONIC_XCVRD_PY3)_DEPENDS = $(SONIC_PY_COMMON_PY3) $(SONIC_XCVRD_PY2) $(SONIC_PLATFORM_COMMON_PY3)
+$(SONIC_XCVRD_PY3)_DEPENDS = $(SONIC_PY_COMMON_PY3) $(SONIC_PLATFORM_COMMON_PY3)
 $(SONIC_XCVRD_PY3)_DEBS_DEPENDS = $(LIBSWSSCOMMON) $(PYTHON3_SWSSCOMMON)
 $(SONIC_XCVRD_PY3)_PYTHON_VERSION = 3
 SONIC_PYTHON_WHEELS += $(SONIC_XCVRD_PY3)
diff --git a/sonic-slave-bullseye/Dockerfile.j2 b/sonic-slave-bullseye/Dockerfile.j2
index 2d91a3f836c9..f190f0b35e3d 100644
--- a/sonic-slave-bullseye/Dockerfile.j2
+++ b/sonic-slave-bullseye/Dockerfile.j2
@@ -65,6 +65,9 @@ RUN apt-get update && apt-get install -y \
         dh-exec \
         kmod \
         libtinyxml2-dev \
+        python-all \
+        python-dev \
+        python-setuptools \
         python3 \
         python3-pip \
         libncurses5-dev \
@@ -74,6 +77,7 @@ RUN apt-get update && apt-get install -y \
         devscripts \
         git-buildpackage \
         perl-modules \
+        libclass-accessor-perl \
         libswitch-perl \
         libzmq5 \
         libzmq3-dev \