pgsql agent fails at cluster shutdown due to crm_mon

Issue

• The resource-agent pgsql agent fails at cluster shutdown due to crm_mon.

• The following message is logged:

  Nov 11 01:01:56 node42 pgsql(PgsqlRes)[31930]: WARNING: Retrying(remain 15985). "crm_mon -1 --output-as=xml" failed. rc=102. stdout="<pacemaker-result api-version="2.22" request="crm_mon -1 --output-as=xml">#012  <status code="102" message="Not connected">#012    <errors>#012      <
  Nov 11 01:01:57 node42 corosync[11555]:   [CFG   ] Node 5 was shut down by sysadmin
  Nov 11 01:01:57 node42 pgsql(PgsqlRes)[31930]: WARNING: Retrying(remain 15984). "crm_mon -1 --output-as=xml" failed. rc=102. stdout="<pacemaker-result api-version="2.22" request="crm_mon -1 --output-as=xml">#012  <status code="102" message="Not connected">#012    <errors>#012      <error>Could not connect to pacemakerd: Connection refused</error>#012      <error>crm_mon: Connection to cluster failed: Connection refused</error>#012    </errors>#012  </status>#012</pacemaker-result>".