md_logit
md_logit(MD_ADD, origin, g->gt_mcastgrp);
md_logit(MD_ADD_FAIL, origin, g->gt_mcastgrp);
md_logit(MD_DEL, origin, g->gt_mcastgrp);
md_logit(MD_DEL_FAIL, origin, g->gt_mcastgrp);
md_logit(MD_MISS, origin, mcastgrp);
md_logit(MD_DUPE, origin, mcastgrp);