Tested with logging-auth-proxy image version 3.5.0-20, kibana restarted 2 times during the process of running this script, from proxy container's log, no OOM reported, and kibana can running well after doing this, set to verified:

for i in {1..300};  do    curl --fail --max-time 10 -H "Authorization: Bearer `oc whoami -t`" https://${kibana-route}/elasticsearch/ -sk > /dev/null;  done


# oc get po
NAME                          READY     STATUS    RESTARTS   AGE
logging-curator-1-30pc6       1/1       Running   0          31m
logging-es-nnsfiays-1-0cdhm   1/1       Running   0          31m
logging-fluentd-6s64m         1/1       Running   0          31m
logging-fluentd-q7fsf         1/1       Running   0          31m
logging-kibana-1-vzzbb        2/2       Running   2          31m

The kibana logs were attached.

Created attachment 1304114 [details]
kibana proxy log

Created attachment 1304115 [details]
kibana log

Can you post the output of: "oc describe pod logging-kibana-1-vzzbb"?

Also be aware that we can track Kibana container restarts via BZ https://bugzilla.redhat.com/show_bug.cgi?id=1465464.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2017:1828