[metrics-alerts] Relays per nickname prefix MEDIUM More than 10 relays have joined the network with the nickname prefix NTH30

Total firing alerts: 1 ## Firing Alerts ----- Time: 2026-08-27 10:23:27.544 +0000 UTC Summary: More than 10 relays have joined the network with the nickname prefix NTH30 Description: More than 10 relays have joined the network with the nickname prefix NTH30 in the last 2 hours. playbook: TODO title: Too many relays have joined the network with the same nickname prefix in the last 2 hours -----