This is an automatically-generated clone of issue https://bugzilla.redhat.com/show_bug.cgi?id=1913162
verified on version: # rpm -qa|grep ovn22 ovn22.03-central-22.03.0-218.el8fdp.x86_64 ovn22.03-22.03.0-218.el8fdp.x86_64 ovn22.03-host-22.03.0-218.el8fdp.x86_64 run the case ovn_load_balancer, no error like "Unsupported protocol" :: [ 04:26:00 ] :: [ PASS ] :: Command 'grep -E -i "Duplicate IP set on switch" /var/log/ovn/ovn-northd.log' (Expected 1, got 1) :: [ 04:26:00 ] :: [ PASS ] :: Command 'grep -E -i "ovsdb_idl.*transaction error" /var/log/ovn/ovn-northd.log' (Expected 1, got 1) :: [ 04:26:00 ] :: [ PASS ] :: Command 'grep -E -i "ERR.*crash" /var/log/ovn/ovn-northd.log' (Expected 1, got 1) :: [ 04:26:00 ] :: [ PASS ] :: Command 'grep -E -i "OpenFlow error" /var/log/ovn/ovn-controller.log' (Expected 1, got 1) :: [ 04:26:00 ] :: [ PASS ] :: Command 'grep -E -i "service check: Unsupported protocol" /var/log/ovn/ovn-controller.log' (Expected 1, got 1) :: [ 04:26:00 ] :: [ PASS ] :: Command 'grep -E -i "Failed to acquire udpif_key corresponding to unexpected flow" /var/log/openvswitch/ovs-vswitchd.log' (Expected 1, got 1) :: [ 04:26:00 ] :: [ PASS ] :: Command 'grep -E -i "integrity violation" /var/log/ovn/ovsdb-server*' (Expected 1, got 1) set verified.