As shown in the figure below, the alarm forwarding rule is set to only focus on alarms of critical and major levels
but still receive interface up notifications at the alarm level
The received notification-level alarm is an interface up alarm, and others are also clear alarms. Checking the alarm parameter settings reveals that automatic forwarding of clear alarms is enabled, so notification-level alarms will also be forwarded.
On the alarm parameter configuration page, change clear alarm auto-forwarding to No