Rename Prometheus alerts for consistency

Change-Id: I8e11b11336e797d95ff3f7e53bb660d589e86215
diff --git a/kubernetes/meta/prometheus.yml b/kubernetes/meta/prometheus.yml
index ba90b20..a8f71cc 100644
--- a/kubernetes/meta/prometheus.yml
+++ b/kubernetes/meta/prometheus.yml
@@ -174,7 +174,7 @@
         summary: 'Fail to scrape container'
         description: 'Prometheus was not able to scrape metrics from container on {{ $labels.instance }}'
       {% endraw %}
-    ProcstatRunningKubernetes:
+    KubernetesProcessDown:
       if: >-
         procstat_running{process_name=~"hypercube-.*"} == 0
       {% raw %}
@@ -186,7 +186,7 @@
         description: 'Kubernetes service {{ $labels.process_name }} is down on node {{ $labels.host }}'
       {% endraw %}
 {%- if network.get('engine', '') == 'calico' %}
-    ProcstatRunningCalico:
+    CalicoProcessDown:
       if: >-
         procstat_running{process_name=~"calico-felix|bird|bird6|confd"} == 0
       {% raw %}