pim_addr_to_prefix(&grp, sg.grp);
up = pim_upstream_find(pim, &sg);
if (up) {
memcpy(&nexthop, &up->rpf.source_nexthop,
sizeof(struct pim_nexthop));
pim_addr_to_prefix(&grp, sg.grp);
up = pim_upstream_find(pim, &sg);
if (up) {
memcpy(&nexthop, &up->rpf.source_nexthop,
sizeof(struct pim_nexthop));