$ ifconfig carp
carp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
lladdr 01:00:5e:00:01:05
priority: 0
carp: carpdev vr0 advbase 1 balancing ip
state MASTER vhid 5 advskew 0
state BACKUP vhid 6 advskew 100
groups: carp
inet 192.0.2.19 netmask 0xffffff00 broadcast 192.0.2.255
inet6 fe80::200:24ff:fecb:1c10%carp0 prefixlen 64 scopeid 0x7
carp1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
lladdr 01:00:5e:00:01:03
priority: 0
carp: carpdev vr1 advbase 1 balancing ip
state MASTER vhid 3 advskew 0
state BACKUP vhid 4 advskew 100
groups: carp
inet 192.168.12.1 netmask 0xffffff00 broadcast 192.168.12.255
inet6 fe80::200:24ff:fecb:1c10%carp1 prefixlen 64 scopeid 0x8
pfsync0: flags=41<UP,RUNNING> mtu 1500
priority: 0
pfsync: syncdev: vr2 syncpeer: 10.0.12.17 maxupd: 128 defer: off
groups: carp pfsync