Getting Hostname Resolution Errors in rsyslog on Red Hat Enterprise Linux?

Issue

• Cannot resolve hostname ' ': Resource temporarily unavailable

• The rsyslog service on a RHEL system logs repeated hostname resolution errors and suspends forwarding actions

  Jun 09 09:11:46 logclient rsyslogd[1608]: cannot resolve hostname 'logserver.example.local' [v8.2102.0-13.el8 try https://www.rsyslog.com/e/2027 ]
  

  Jun 02 09:26:07 logclient rsyslogd[992]: cannot resolve hostname '' [v8.2102.0-113.el9 try https://www.rsyslog.com/e/2027]