d/cloud-init.postinst: change priority of hotplug rules

Avoids LP: #1946003 on upgraded systems.

References:

[0] #4799
[1] b519d86

debian/cloud-init.postinst

@@ -371,6 +371,13 @@ change_cloud_init_output_log_permissions() {
     fi
 }
 
+rename_hook_hotplug_udev_rule() {
+    # Avoids LP: #1946003 see commit: b519d861aff8b44a0610c176cb34adcbe28df144
+    if [ -f /etc/udev/rules.d/10-cloud-init-hook-hotplug.rules ]; then
+        mv -f /etc/udev/rules.d/10-cloud-init-hook-hotplug.rules \
+            /etc/udev/rules.d/90-cloud-init-hook-hotplug.rules
+    fi
+}
 
 if [ "$1" = "configure" ]; then
    if db_get cloud-init/datasources; then
@@ -406,6 +413,8 @@ EOF
 
    # Redact schema sensitive warning logs on invalid user-data
    fix_1978422_redact_sensitive_logs_on_invalid_userdata_schema "$2"
+
+   rename_hook_hotplug_udev_rule
 fi
 
 #DEBHELPER#