NM_BDG_ACTIVE
if ((x->bdg_flags & NM_BDG_ACTIVE) + x->bdg_active_ports == 0) {
if ((b->bdg_flags & NM_BDG_ACTIVE) + b->bdg_active_ports != 0) {
b->bdg_flags |= NM_BDG_ACTIVE | NM_BDG_EXCLUSIVE;
b->bdg_flags &= ~(NM_BDG_EXCLUSIVE | NM_BDG_ACTIVE);
b->bdg_flags |= NM_BDG_EXCLUSIVE | NM_BDG_ACTIVE;