If you have enabled the transmission of MLD queries when topology changes occur in the network, you can disable the feature.
SEFOS(config)# ipv6 mld snooping send-query disable
SEFOS# show ipv6 mld snooping globals Snooping Configuration ----------------------------- MLD Snooping globally enabled MLD Snooping is operationally enabled Transmit Query on Topology Change globally disabled Multicast forwarding mode is MAC based Proxy reporting globally enabled Router port purge interval is 125 seconds Port purge interval is 260 seconds Report forward interval is 5 seconds Group specific query interval is 2 seconds Reports are forwarded on router ports Group specific query retry count is 2