VIFF_DOWN
v->uv_flags |= VIFF_DOWN;
v->uv_flags |= VIFF_DOWN;
if (vifi != parent && !(v->uv_flags & (VIFF_DOWN|VIFF_DISABLED))) {
if (!(v->uv_flags & VIFF_DOWN)) {
if (v->uv_flags & VIFF_DOWN) fprintf(fp, " down");
if (!(v->uv_flags & VIFF_DOWN)) {
if (v->uv_flags & VIFF_DOWN) {
v->uv_flags &= ~VIFF_DOWN;
v->uv_flags |= VIFF_DOWN;
if (!(v->uv_flags & (VIFF_DOWN|VIFF_DISABLED))) {
if (!(v->uv_flags & (VIFF_DOWN|VIFF_DISABLED))) {
if (vflags & VIFF_DOWN)