VFPF_SET_Q_FILTERS_MULTICAST_CHANGED
if (filters->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED)
if (msg->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) {
req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED;