This is an automatically-generated clone of issue https://bugzilla.redhat.com/show_bug.cgi?id=2154930
tested with script in https://bugzilla.redhat.com/show_bug.cgi?id=2170305#c3 reproduced on ovn22.09-22.09.0-31.el8: + ip netns exec public1 join_group -f 6 -g ff05::2 -i public1 + ovn-sbctl list igmp_group _uuid : 4d07d879-7244-4a0a-89fd-a19e87ac2051 address : "ff02::1:ff00:123" chassis : d19fac69-91e5-4ab2-9a7e-ad2d83aad0b6 datapath : ef676321-52b7-48ab-90c4-7659c4305872 ports : [a525eea9-00ec-4e16-b68f-738d9a7bdbd0] _uuid : 7e91e661-7df5-4236-9ce9-dd8b3561478b address : "ff02::1:ff00:23" chassis : d19fac69-91e5-4ab2-9a7e-ad2d83aad0b6 datapath : ef676321-52b7-48ab-90c4-7659c4305872 ports : [a525eea9-00ec-4e16-b68f-738d9a7bdbd0] _uuid : 07e399f2-0d6e-48c5-82af-03e82b01954b address : mrouters chassis : d19fac69-91e5-4ab2-9a7e-ad2d83aad0b6 datapath : ef676321-52b7-48ab-90c4-7659c4305872 ports : [] _uuid : 8ba91b3a-db98-4e9c-b668-140c29bb8e19 address : "ff05::2" chassis : d19fac69-91e5-4ab2-9a7e-ad2d83aad0b6 datapath : ef676321-52b7-48ab-90c4-7659c4305872 ports : [a525eea9-00ec-4e16-b68f-738d9a7bdbd0] + ovn-sbctl lflow-list + grep ff05 table=25(ls_in_l2_lkup ), priority=90 , match=(eth.mcast && ip6 && ip6.dst == ff05::2 ), action=(outport = "ff05::2"; output; ) [root@kvm-03-guest05 bz2170302]# rpm -qa | grep -E "openvswitch2.17|ovn22.09" ovn22.09-22.09.0-31.el8fdp.x86_64 ovn22.09-host-22.09.0-31.el8fdp.x86_64 ovn22.09-central-22.09.0-31.el8fdp.x86_64 openvswitch2.17-2.17.0-106.el8fdp.x86_64 Verified on ovn22.09-22.09.0-129.el8: + ip netns exec public1 join_group -f 6 -g ff05::2 -i public1 + ovn-sbctl list igmp_group _uuid : 0ddb19fc-38cc-47cc-a1fb-64c2fcc0c3c9 address : "ff05::2" chassis : 653678e0-5a67-4f8f-8e1f-040185f81f27 datapath : 4edae821-0917-4869-8134-5fd7ee171f85 ports : [d77ba6d3-0826-4725-98c2-d46224f1dacd] _uuid : 516a597c-e438-4b1a-90d7-df6d5afbe59b address : mrouters chassis : 653678e0-5a67-4f8f-8e1f-040185f81f27 datapath : 4edae821-0917-4869-8134-5fd7ee171f85 ports : [] _uuid : b11e4a6c-5f04-4739-8049-ac1568fa3fbe address : "ff02::1:ff00:123" chassis : 653678e0-5a67-4f8f-8e1f-040185f81f27 datapath : 4edae821-0917-4869-8134-5fd7ee171f85 ports : [d77ba6d3-0826-4725-98c2-d46224f1dacd] _uuid : ddc6eb1f-5ab6-43aa-a81e-577e1e60be61 address : "ff02::1:ff00:23" chassis : 653678e0-5a67-4f8f-8e1f-040185f81f27 datapath : 4edae821-0917-4869-8134-5fd7ee171f85 ports : [d77ba6d3-0826-4725-98c2-d46224f1dacd] + ovn-sbctl lflow-list + grep ff05 <=== no flow for ff05::2 [root@kvm-03-guest05 bz2170302]# rpm -qa | grep -E "openvswitch2.17|ovn22.09" ovn22.09-22.09.0-129.el8fdp.x86_64 ovn22.09-host-22.09.0-129.el8fdp.x86_64 openvswitch2.17-2.17.0-106.el8fdp.x86_64 ovn22.09-central-22.09.0-129.el8fdp.x86_64