DOMAINSET_POLICY_ROUNDROBIN
{ "round-robin", DOMAINSET_POLICY_ROUNDROBIN },
{ "rr", DOMAINSET_POLICY_ROUNDROBIN },
dset->ds_policy = DOMAINSET_POLICY_ROUNDROBIN;
dset->ds_policy = DOMAINSET_POLICY_ROUNDROBIN;
domain->ds_policy = DOMAINSET_POLICY_ROUNDROBIN;
case DOMAINSET_POLICY_ROUNDROBIN: