diff --git a/dist/images/install.sh b/dist/images/install.sh
index d04c060d11d..1300d302f64 100755
--- a/dist/images/install.sh
+++ b/dist/images/install.sh
@@ -3223,6 +3223,8 @@ spec:
                 fieldPath: status.podIPs
           - name: ENABLE_BIND_LOCAL_IP
             value: "$ENABLE_BIND_LOCAL_IP"
+          - name: DBUS_SYSTEM_BUS_ADDRESS
+            value: "unix:path=/host/var/run/dbus/system_bus_socket"
         volumeMounts:
           - name: host-modules
             mountPath: /lib/modules
@@ -3238,6 +3240,9 @@ spec:
             mountPropagation: Bidirectional
           - mountPath: /run/ovn
             name: host-run-ovn
+          - mountPath: /host/var/run/dbus
+            name: host-dbus
+            mountPropagation: HostToContainer
           - mountPath: /var/run/netns
             name: host-ns
             mountPropagation: Bidirectional
@@ -3300,6 +3305,9 @@ spec:
         - name: host-ns
           hostPath:
             path: /var/run/netns
+        - name: host-dbus
+          hostPath:
+            path: /var/run/dbus
         - name: host-log-ovs
           hostPath:
             path: /var/log/openvswitch
diff --git a/kubeovn-helm/templates/ovncni-ds.yaml b/kubeovn-helm/templates/ovncni-ds.yaml
index f7111409ec0..302690c10dd 100644
--- a/kubeovn-helm/templates/ovncni-ds.yaml
+++ b/kubeovn-helm/templates/ovncni-ds.yaml
@@ -102,6 +102,8 @@ spec:
                 fieldPath: status.podIPs
           - name: ENABLE_BIND_LOCAL_IP
             value: "{{- .Values.func.ENABLE_BIND_LOCAL_IP }}"
+          - name: DBUS_SYSTEM_BUS_ADDRESS
+            value: "unix:path=/host/var/run/dbus/system_bus_socket"
         volumeMounts:
           - name: host-modules
             mountPath: /lib/modules
@@ -117,6 +119,9 @@ spec:
             mountPropagation: Bidirectional
           - mountPath: /run/ovn
             name: host-run-ovn
+          - mountPath: /host/var/run/dbus
+            name: host-dbus
+            mountPropagation: HostToContainer
           - mountPath: /var/run/netns
             name: host-ns
             mountPropagation: HostToContainer
@@ -179,6 +184,9 @@ spec:
         - name: host-ns
           hostPath:
             path: /var/run/netns
+        - name: host-dbus
+          hostPath:
+            path: /var/run/dbus
         - name: kube-ovn-log
           hostPath:
             path: /var/log/kube-ovn
diff --git a/pkg/daemon/init_linux.go b/pkg/daemon/init_linux.go
index 51338dc67fb..c8a38a8c741 100644
--- a/pkg/daemon/init_linux.go
+++ b/pkg/daemon/init_linux.go
@@ -39,6 +39,7 @@ func nmSetManaged(device string, managed bool) error {
 		return nil
 	}
 
+	klog.Infof(`setting device %s NetworkManager property "managed" to %v`, device, managed)
 	if err = d.SetPropertyManaged(managed); err != nil {
 		klog.Errorf("failed to set device property managed to %v: %v", managed, err)
 		return err
@@ -97,7 +98,7 @@ func changeProvideNicName(current, target string) (bool, error) {
 
 	// set link unmanaged by NetworkManager
 	if err = nmSetManaged(current, false); err != nil {
-		klog.Errorf("failed set device %s to unmanaged by NetworkManager: %v", current, err)
+		klog.Errorf("failed set device %s unmanaged by NetworkManager: %v", current, err)
 		return false, err
 	}
 
diff --git a/pkg/daemon/ovs_linux.go b/pkg/daemon/ovs_linux.go
index 1ecde1618df..910175ce5d7 100644
--- a/pkg/daemon/ovs_linux.go
+++ b/pkg/daemon/ovs_linux.go
@@ -906,7 +906,7 @@ func configProviderNic(nicName, brName string) (int, error) {
 
 	// set link unmanaged by NetworkManager
 	if err = nmSetManaged(nicName, false); err != nil {
-		klog.Errorf("failed set device %s to unmanaged by NetworkManager: %v", nicName, err)
+		klog.Errorf("failed set device %s unmanaged by NetworkManager: %v", nicName, err)
 		return 0, err
 	}
 
diff --git a/yamls/kube-ovn.yaml b/yamls/kube-ovn.yaml
index b629fd52a98..2c0f840ff4f 100644
--- a/yamls/kube-ovn.yaml
+++ b/yamls/kube-ovn.yaml
@@ -190,6 +190,8 @@ spec:
               valueFrom:
                 fieldRef:
                   fieldPath: status.podIPs
+            - name: DBUS_SYSTEM_BUS_ADDRESS
+              value: "unix:path=/host/var/run/dbus/system_bus_socket"
           volumeMounts:
             - name: host-modules
               mountPath: /lib/modules
@@ -202,6 +204,9 @@ spec:
               name: host-run-ovs
             - mountPath: /run/ovn
               name: host-run-ovn
+            - mountPath: /host/var/run/dbus
+              name: host-dbus
+              mountPropagation: HostToContainer
             - mountPath: /var/run/netns
               name: host-ns
               mountPropagation: HostToContainer
@@ -259,6 +264,9 @@ spec:
         - name: host-ns
           hostPath:
             path: /var/run/netns
+        - name: host-dbus
+          hostPath:
+            path: /var/run/dbus
         - name: host-log-ovs
           hostPath:
             path: /var/log/openvswitch