Loki ingesters 0/1 in RHOCP 4

Issue

• A logging-loki-ingester or netobserv-loki-ingester pod are unable to initialize due to presence of stale loki-ingester entries in LokiStack hash ring:

  netobserv-loki-ingester-0                        0/1     Running   0          1d
  

  logging-loki-ingester-0                        0/1     Running   0          1d
  

• The loki-ingester logs shows an error with the ring:

  msg="found an existing instance(s) with a problem in the ring, this instance cannot become ready until this problem is resolved. The /ring http endpoint on the distributor (or single binary) provides visibility into the ring." ring=ingester err="instance 10.x.x.x:9095 past heartbeat timeout"
  

• Unable see logs in web console log section showing "Too Many Unhealthy Instances In The Ring"