CARPCTL_PREEMPT
if (carp_opts[CARPCTL_PREEMPT] &&
if (carp_opts[CARPCTL_PREEMPT] && !carp_suppress_preempt) {
SYSCTL_INT(_net_inet_carp, CARPCTL_PREEMPT, preempt, CTLFLAG_RW,
&carp_opts[CARPCTL_PREEMPT], 0, "high-priority backup preemption mode");