diff --git a/package/cla-sysrepo/czechlight-install-yang.sh b/package/cla-sysrepo/czechlight-install-yang.sh
index b4484d6..01d33fc 100755
--- a/package/cla-sysrepo/czechlight-install-yang.sh
+++ b/package/cla-sysrepo/czechlight-install-yang.sh
@@ -2,7 +2,6 @@
 
 set -ex
 
-IETF_HW_STATE=0
 YANG_ROADM=0
 YANG_COHERENT=0
 YANG_INLINE=0
@@ -25,25 +24,20 @@
     sdn-roadm-line*)
         YANG_ROADM=1
         WITH_FEATURE=hw-line-9
-        IETF_HW_STATE=1
         ;;
     sdn-roadm-add-drop*)
         YANG_ROADM=1
         WITH_FEATURE=hw-add-drop-20
-        IETF_HW_STATE=1
         ;;
     sdn-roadm-hires-add-drop*)
         YANG_ROADM=1
         WITH_FEATURE=hw-add-drop-20
-        IETF_HW_STATE=1
         INITIAL_DATA=sdn-roadm-add-drop
         ;;
     sdn-roadm-coherent-a-d*)
-        IETF_HW_STATE=1
         YANG_COHERENT=1
         ;;
     sdn-inline*)
-        IETF_HW_STATE=1
         YANG_INLINE=1
         ;;
     calibration-box)
@@ -51,28 +45,12 @@
         ;;
 esac
 
-# asks ietf-yang-library model in sysrepo for the state of a module given by $1
-# can return "implement", "import" or "" if the module is not present in the tree
-yang-module-state() {
-    sysrepocfg -f xml -X --xpath "/ietf-yang-library:modules-state/module[name='$1']/conformance-type" -d operational  | sed -n 's/\s*<conformance-type>\(.*\)<\/conformance-type>/\1/p'
-}
+sysrepoctl --search-dirs ${YANG_DIR} --install ${YANG_DIR}/iana-hardware@2018-03-13.yang
+sysrepoctl --search-dirs ${YANG_DIR} --install ${YANG_DIR}/ietf-hardware@2018-03-13.yang
+sysrepoctl --change ietf-hardware --permissions 0664 --enable-feature hardware-sensor --apply
 
-if [[ ${IETF_HW_STATE} == 1 ]]; then
-    # if old model is implemented, remove it first. This uninstall dependent ietf-hardware if imported and not implemented
-    if [[ "$(yang-module-state ietf-hardware-state)" == "implement" ]]; then
-        sysrepoctl -u ietf-hardware-state --apply
-    fi
-
-    # if new model is not implemented
-    if [[ "$(yang-module-state ietf-hardware)" != "implement" ]]; then
-        sysrepoctl --search-dirs ${YANG_DIR} --install ${YANG_DIR}/iana-hardware@2018-03-13.yang
-        sysrepoctl --search-dirs ${YANG_DIR} --install ${YANG_DIR}/ietf-hardware@2018-03-13.yang
-        sysrepoctl --change ietf-hardware --permissions 0664 --enable-feature hardware-sensor --apply
-    fi
-fi
-
-if [[ ${YANG_ROADM} == 1 && ! -f ${REPO}/czechlight-roadm-device@2019-09-30.yang ]]; then
-    sysrepoctl --search-dirs ${YANG_DIR} --install ${YANG_DIR}/czechlight-roadm-device@2019-09-30.yang
+if [[ ${YANG_ROADM} == 1 ]]; then
+    sysrepoctl --search-dirs ${YANG_DIR} --install ${YANG_DIR}/czechlight-roadm-device@2021-03-05.yang
     sysrepoctl --change czechlight-roadm-device --group optics --permissions 0664 --apply
     if [[ ${WITH_FEATURE} ]]; then
         sysrepoctl --change czechlight-roadm-device --enable-feature ${WITH_FEATURE}
@@ -80,48 +58,36 @@
     sysrepocfg --datastore=startup --format=json --module=czechlight-roadm-device --import="${YANG_DIR}/${INITIAL_DATA}.json"
 fi
 
-if [[ ${YANG_COHERENT} == 1 && ! -f ${REPO}/czechlight-coherent-add-drop@2019-09-30.yang ]]; then
-    sysrepoctl --search-dirs ${YANG_DIR} --install ${YANG_DIR}/czechlight-coherent-add-drop@2019-09-30.yang
+if [[ ${YANG_COHERENT} == 1 ]]; then
+    sysrepoctl --search-dirs ${YANG_DIR} --install ${YANG_DIR}/czechlight-coherent-add-drop@2021-03-05.yang
     sysrepocfg --datastore=startup --format=json --module=czechlight-coherent-add-drop --new-data="${YANG_DIR}/${INITIAL_DATA}.json"
     sysrepoctl --change czechlight-coherent-add-drop --group optics --permissions 0664 --apply
 fi
 
-if [[ ${YANG_INLINE} == 1 && ! -f ${REPO}/czechlight-inline-amp@2019-09-30.yang ]]; then
-    sysrepoctl --search-dirs ${YANG_DIR} --install ${YANG_DIR}/czechlight-inline-amp@2019-09-30.yang
+if [[ ${YANG_INLINE} == 1 ]]; then
+    sysrepoctl --search-dirs ${YANG_DIR} --install ${YANG_DIR}/czechlight-inline-amp@2021-03-05.yang
     sysrepocfg --datastore=startup --format=json --module=czechlight-inline-amp --import="${YANG_DIR}/${INITIAL_DATA}.json"
     sysrepoctl --change czechlight-inline-amp --group optics --permissions 0664 --apply
 fi
 
-if [[ ${YANG_CALIBRATION} == 1 && ! -f ${REPO}/czechlight-calibration-device@2019-06-25.yang ]]; then
+if [[ ${YANG_CALIBRATION} == 1 ]]; then
     sysrepoctl --search-dirs ${YANG_DIR} --install ${YANG_DIR}/czechlight-calibration-device@2019-06-25.yang
     sysrepocfg --datastore=startup --format=json --module=czechlight-calibration-device --import="${YANG_DIR}/${INITIAL_DATA}.json"
     sysrepoctl --change czechlight-calibration-device --group optics --permissions 0664 --apply
 fi
 
-if [[ ! -f ${REPO}/ietf-system@2014-08-06.yang ]]; then
-    sysrepoctl --search-dirs /usr/share/velia/yang --install /usr/share/velia/yang/ietf-system@2014-08-06.yang
-    sysrepoctl --change ietf-system --permissions 0664 --apply
-fi
+sysrepoctl --search-dirs /usr/share/velia/yang --install /usr/share/velia/yang/ietf-system@2014-08-06.yang
+sysrepoctl --change ietf-system --permissions 0664 --apply
 
-if [[ ! -f ${REPO}/czechlight-lldp@2020-11-04.yang ]]; then
-    if compgen -G "${REPO}/czechlight-lldp@*.yang" >/dev/null; then
-        sysrepoctl --search-dirs /usr/share/lldp-systemd-networkd-sysrepo/yang --update /usr/share/lldp-systemd-networkd-sysrepo/yang/czechlight-lldp@2020-11-04.yang
-    else
-        sysrepoctl --search-dirs /usr/share/lldp-systemd-networkd-sysrepo/yang --install /usr/share/lldp-systemd-networkd-sysrepo/yang/czechlight-lldp@2020-11-04.yang
-    fi
-    sysrepoctl --change czechlight-lldp --permissions 0664 --apply
-fi
+sysrepoctl --search-dirs /usr/share/lldp-systemd-networkd-sysrepo/yang --install /usr/share/lldp-systemd-networkd-sysrepo/yang/czechlight-lldp@2020-11-04.yang
+sysrepoctl --change czechlight-lldp --permissions 0664 --apply
 
-if [[ ! -f ${REPO}/czechlight-system@2021-01-13.yang ]]; then
-    sysrepoctl --search-dirs /usr/share/velia/yang --install /usr/share/velia/yang/czechlight-system@2021-01-13.yang
-    sysrepoctl --change czechlight-system --permissions 0664 --apply
-fi
+sysrepoctl --search-dirs /usr/share/velia/yang --install /usr/share/velia/yang/czechlight-system@2021-01-13.yang
+sysrepoctl --change czechlight-system --permissions 0664 --apply
 
-if [[ ! -f ${REPO}/czechlight-firewall@2021-01-25.yang ]]; then
-    sysrepoctl --search-dirs /usr/share/velia/yang --install /usr/share/velia/yang/czechlight-firewall@2021-01-25.yang
-    sysrepoctl --change czechlight-firewall --permissions 0600 --apply
-    sysrepoctl --change ietf-access-control-list --enable-feature eth --enable-feature match-on-eth --enable-feature match-on-ipv4 --enable-feature ipv4 --enable-feature match-on-ipv6 --enable-feature ipv6 --enable-feature mixed-eth-ipv4-ipv6
-fi
+sysrepoctl --search-dirs /usr/share/velia/yang --install /usr/share/velia/yang/czechlight-firewall@2021-01-25.yang
+sysrepoctl --change czechlight-firewall --permissions 0600 --apply
+sysrepoctl --change ietf-access-control-list --enable-feature eth --enable-feature match-on-eth --enable-feature match-on-ipv4 --enable-feature ipv4 --enable-feature match-on-ipv6 --enable-feature ipv6 --enable-feature mixed-eth-ipv4-ipv6
 
 # If not do not copy here from startup -> running, running might be stale.
 sysrepocfg -C startup
diff --git a/package/gammarus/gammarus.mk b/package/gammarus/gammarus.mk
index ec50798..8315285 100644
--- a/package/gammarus/gammarus.mk
+++ b/package/gammarus/gammarus.mk
@@ -9,8 +9,4 @@
 	$(TARGET_CONFIGURE_OPTS) $(MAKE) -C $(@D) DESTDIR=$(TARGET_DIR) install
 endef
 
-define GAMMARUS_USERS
-	yangnobody 333666 yangnobody 333666 * - - - Unauthenticated operations via RESTCONF
-endef
-
 $(eval $(generic-package))
diff --git a/package/reset-sysrepo/reset-sysrepo.mk b/package/reset-sysrepo/reset-sysrepo.mk
index f52a8cd..1c5f327 100644
--- a/package/reset-sysrepo/reset-sysrepo.mk
+++ b/package/reset-sysrepo/reset-sysrepo.mk
@@ -27,6 +27,7 @@
 		velia-system.service \
 		velia-hardware-g1.service \
 		velia-hardware-g2.service \
+		rousette.service \
 	; do \
 		echo "Adding systemd drop-ins $${UNIT} <-> /run/sysrepo"; \
 		$(INSTALL) -d -m 0755 $(TARGET_DIR)/usr/lib/systemd/system/$${UNIT}.d/ ; \
diff --git a/package/rousette/rousette.mk b/package/rousette/rousette.mk
index b51983d..38d26d2 100644
--- a/package/rousette/rousette.mk
+++ b/package/rousette/rousette.mk
@@ -9,4 +9,16 @@
 ROUSETTE_CONF_OPTS = \
 	-DTHREADS_PTHREAD_ARG:STRING=-pthread
 
+define ROUSETTE_INSTALL_INIT_SYSTEMD
+	mkdir -p $(TARGET_DIR)/usr/lib/systemd/system/multi-user.target.wants/
+	$(INSTALL) -D -m 0644 \
+		$(BR2_EXTERNAL_CZECHLIGHT_PATH)/package/rousette/rousette.service \
+		$(TARGET_DIR)/usr/lib/systemd/system/
+	ln -sf ../rousette.service $(TARGET_DIR)/usr/lib/systemd/system/multi-user.target.wants/
+endef
+
+define ROUSETTE_USERS
+	yangnobody 333666 yangnobody 333666 * - - - Unauthenticated operations via RESTCONF
+endef
+
 $(eval $(cmake-package))
diff --git a/package/rousette/rousette.service b/package/rousette/rousette.service
new file mode 100644
index 0000000..1f373e0
--- /dev/null
+++ b/package/rousette/rousette.service
@@ -0,0 +1,23 @@
+[Unit]
+Description=RESTCONFish server
+After=syslog.target network.target czechlight-install-yang.service cfg-restore-sysrepo.service nacm-restore.service
+PartOf=netopeer2.service
+Requires=czechlight-install-yang.service cfg-restore-sysrepo.service nacm-restore.service
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/rousette
+PrivateTmp=yes
+PrivateDevices=yes
+ProtectSystem=yes
+ProtectHome=yes
+Restart=always
+RestartSec=10s
+LogRateLimitIntervalSec=10
+LogRateLimitBurst=30000
+SyslogLevel=alert
+User=yangnobody
+Group=yangnobody
+
+[Install]
+WantedBy=multi-user.target
diff --git a/submodules/cla-sysrepo b/submodules/cla-sysrepo
index a6e96e9..810a3e9 160000
--- a/submodules/cla-sysrepo
+++ b/submodules/cla-sysrepo
@@ -1 +1 @@
-Subproject commit a6e96e9e9a3382daa0189fdacd22cf08ca926127
+Subproject commit 810a3e9bfaa7cb6f422618620d4cc3e93e21c77a
diff --git a/submodules/gammarus b/submodules/gammarus
index 293e6ae..c2783da 160000
--- a/submodules/gammarus
+++ b/submodules/gammarus
@@ -1 +1 @@
-Subproject commit 293e6ae00e7e43a29c66b657fdc325ff2b6517a4
+Subproject commit c2783da221ac431322f6cd9a931aa0ebb87c2186
diff --git a/submodules/netconf-cli b/submodules/netconf-cli
index a31d4c4..1d59390 160000
--- a/submodules/netconf-cli
+++ b/submodules/netconf-cli
@@ -1 +1 @@
-Subproject commit a31d4c4d571955fbda0aa9b9ffd702d10f72c4e0
+Subproject commit 1d593904dd5f775642dbfd591d19dc0409600c8b
diff --git a/submodules/rousette b/submodules/rousette
index 30f3b3e..f3c0203 160000
--- a/submodules/rousette
+++ b/submodules/rousette
@@ -1 +1 @@
-Subproject commit 30f3b3e954d456792988322b148b22ec6c302f92
+Subproject commit f3c0203ef066d10d04858e73e7f2cadd68658ebf
diff --git a/submodules/velia b/submodules/velia
index b5fa10b..210a852 160000
--- a/submodules/velia
+++ b/submodules/velia
@@ -1 +1 @@
-Subproject commit b5fa10b532334f5070061a96a1c43fc849cf649c
+Subproject commit 210a8529241ecc1d2ee6e2e3a5581c0926bb4a57