Alert rationalization for RabbitMQ

Change-Id: Ifb803105f5a2e53cf42c6d7c3ba67001008e7577
Closes-Bug: PROD-29227
diff --git a/rabbitmq/meta/prometheus.yml b/rabbitmq/meta/prometheus.yml
index 7b6773f..f005409 100644
--- a/rabbitmq/meta/prometheus.yml
+++ b/rabbitmq/meta/prometheus.yml
@@ -12,7 +12,7 @@
         rabbitmq_up == 0
       for: 1m
       labels:
-        severity: minor
+        severity: critical
         service: rabbitmq
       annotations:
         summary: "RabbitMQ service is down"
@@ -86,7 +86,7 @@
       if: >-
         sum(rate(log_messages{service="rabbitmq",level=~"(?i:(error|emergency|fatal))"}[5m])) without (level) > 0.2
       labels:
-        severity: warning
+        severity: major
         service: rabbitmq
       annotations:
         summary: "Too many errors in RabbitMQ logs"