RHEL8: While libvirtd is running, Firewalld reports ERROR messages during firewalld service restart

Issue

• RHEL8: While libvirtd is running, Firewalld reports ERROR messages during firewalld service restart

Sample /var/log/messages:

firewalld[XXXX]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -w --table mangle --delete POSTROUTING --out-interface virbr0 --protocol udp --destination-port 68 --jump CHECKSUM --checksum-fill' failed: iptables: Bad rule (does a matching rule exist in that chain?).
firewalld[XXXX]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -w --table nat --delete POSTROUTING --source 192.168.124.0/24 --destination 224.0.0.0/24 --jump RETURN' failed: iptables: Bad rule (does a matching rule exist in that chain?).
firewalld[XXXX]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -w --table nat --delete POSTROUTING --source 192.168.124.0/24 --destination 255.255.255.255/32 --jump RETURN' failed: iptables: Bad rule (does a matching rule exist in that chain?).
firewalld[XXXX]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -w --table nat --delete POSTROUTING --source 192.168.124.0/24 -p tcp ! --destination 192.168.124.0/24 --jump MASQUERADE --to-ports 1024-65535' failed: iptables: Bad rule (does a matching rule exist in that chain?).
firewalld[XXXX]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -w --table nat --delete POSTROUTING --source 192.168.124.0/24 -p udp ! --destination 192.168.124.0/24 --jump MASQUERADE --to-ports 1024-65535' failed: iptables: Bad rule (does a matching rule exist in that chain?).
firewalld[XXXX]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -w --table nat --delete POSTROUTING --source 192.168.124.0/24 ! --destination 192.168.124.0/24 --jump MASQUERADE' failed: iptables: Bad rule (does a matching rule exist in that chain?).
firewalld[XXXX]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -w --table filter --delete FORWARD --destination 192.168.124.0/24 --out-interface virbr0 --match conntrack --ctstate ESTABLISHED,RELATED --jump ACCEPT' failed: iptables: Bad rule (does a matching rule exist in that chain?).
firewalld[XXXX]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -w --table filter --delete FORWARD --source 192.168.124.0/24 --in-interface virbr0 --jump ACCEPT' failed: iptables: Bad rule (does a matching rule exist in that chain?).
firewalld[XXXX]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -w --table filter --delete FORWARD --in-interface virbr0 --out-interface virbr0 --jump ACCEPT' failed: iptables: Bad rule (does a matching rule exist in that chain?).
firewalld[XXXX]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -w --table filter --delete FORWARD --out-interface virbr0 --jump REJECT' failed: iptables: Bad rule (does a matching rule exist in that chain?).
firewalld[XXXX]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -w --table filter --delete FORWARD --in-interface virbr0 --jump REJECT' failed: iptables: Bad rule (does a matching rule exist in that chain?).
firewalld[XXXX]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -w --table filter --delete INPUT --in-interface virbr0 --protocol udp --destination-port 53 --jump ACCEPT' failed: iptables: Bad rule (does a matching rule exist in that chain?).
firewalld[XXXX]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -w --table filter --delete INPUT --in-interface virbr0 --protocol tcp --destination-port 53 --jump ACCEPT' failed: iptables: Bad rule (does a matching rule exist in that chain?).
firewalld[XXXX]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -w --table filter --delete OUTPUT --out-interface virbr0 --protocol udp --destination-port 68 --jump ACCEPT' failed: iptables: Bad rule (does a matching rule exist in that chain?).
firewalld[XXXX]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -w --table filter --delete INPUT --in-interface virbr0 --protocol udp --destination-port 67 --jump ACCEPT' failed: iptables: Bad rule (does a matching rule exist in that chain?).
firewalld[XXXX]: WARNING: COMMAND_FAILED: '/usr/sbin/iptables -w10 -w --table filter --delete INPUT --in-interface virbr0 --protocol tcp --destination-port 67 --jump ACCEPT' failed: iptables: Bad rule (does a matching rule exist in that chain?).