carp_set_state
carp_set_state(sc, BACKUP,
carp_set_state(sc, MASTER, reason);
carp_set_state(sc, BACKUP, "initialization complete");
carp_set_state(sc, INIT, "hardware interface down");
carp_set_state(sc, INIT, "hardware interface up");
carp_set_state(sc, BACKUP,
static void carp_set_state(struct carp_softc *, int, const char* reason);
carp_set_state(sc, BACKUP,