It is provided a method, comprising checking if a notification identifier comprised by a received primary notification and a correlation identifier comprised by a received secondary notification match each other, wherein the primary notification is different from the secondary notification; generating, if the notification identifier and the correlation identifier match each other, a correlation indication; providing, to a management device, if the notification identifier and the correlation identifier match each other, a primary forward status change indication generated based on a primary status change indication comprised in the primary notification, a secondary forward status change indication generated based on a secondary status change indication comprised in the secondary notification, and the correlation indication.
