if_list
TAILQ_FOREACH(ifp, &ifnetlist, if_list)
TAILQ_FOREACH(ifp, &V_ifnet, if_list)
| ON '{' optnl if_list '}' { $$ = $4; }
if_list : if_item_not optnl { $$ = $1; }
| if_list comma if_item_not optnl {
%type <v.interface> interface if_list if_item_not if_item