Allow virtual hosts to preempt each other. It is also used to failover carp interfaces as a group. When the option is enabled and one of the carp enabled physical interfaces goes down, advskew is changed to 240 on all carp interfaces. See also the first example. Disabled by default.
Value of 0 disables any logging. Value of 1 enables logging of bad carp packets. Values above 1 enable logging state changes of carp interfaces. Default value is 1.
Balance local traffic using ARP. Disabled by default.
A read only value showing the status of preemption suppression. Preemption can be suppressed if link on an interface is down or when pfsync(4) interface is not synchronized. Value of 0 means that preemption is not suppressed, since no problems are detected. Every problem increments suppression counter.