ROUTE_DISABLED
if (route->flags & ROUTE_DISABLED)
route->flags |= reason & ROUTE_DISABLED;
if (route->flags & ROUTE_DISABLED) {
route->flags &= ~ROUTE_DISABLED;
if (route->flags & ROUTE_DISABLED) {
suspended_route |= route->flags & ROUTE_DISABLED;
if (route->flags & ROUTE_DISABLED) {
route->flags &= ~ROUTE_DISABLED;
route->flags & ROUTE_DISABLED ? 'D' : '-',