$ ifconfig
rl0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
	options=8<VLAN_MTU>
	inet 172.20.1.2 netmask 0xffffff00 broadcast 172.20.1.255
	inet6 fe80::20d:88ff:fe2c:cd82%rl0 prefixlen 64 scopeid 0x1 
	ether 00:0d:88:2c:cd:82
	media: Ethernet autoselect (100baseTX <full-duplex>)
	status: active
rl1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
	options=8<VLAN_MTU>
	inet 172.20.2.2 netmask 0xffffff00 broadcast 172.20.2.255
	inet6 fe80::20d:88ff:fe2c:dab5%rl1 prefixlen 64 scopeid 0x2 
	ether 00:0d:88:2c:da:b5
	media: Ethernet autoselect (100baseTX <full-duplex>)
	status: active
rl2: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
	options=8<VLAN_MTU>
	inet 12.169.255.16 netmask 0xffffffff broadcast 12.169.255.16
	inet6 fe80::20d:88ff:fe2d:a1ef%rl2 prefixlen 64 scopeid 0x3 
	ether 00:0d:88:2d:a1:ef
	media: Ethernet autoselect (100baseTX <full-duplex>)
	status: active
pflog0: flags=100<PROMISC> mtu 33208
enc0: flags=0<> mtu 1536
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
	inet 127.0.0.1 netmask 0xff000000 
	inet6 ::1 prefixlen 128 
	inet6 fe80::1%lo0 prefixlen 64 scopeid 0x6 
pfsync0: flags=41<UP,RUNNING> mtu 1348
	pfsync: syncdev: rl1 maxupd: 128
carp0: flags=9<UP,LOOPBACK> mtu 1500
	carp: INIT vhid 1 advbase 1 advskew 100
carp1: flags=49<UP,LOOPBACK,RUNNING> mtu 1500
	inet 172.20.1.5 netmask 0xffffff00 
	carp: BACKUP vhid 2 advbase 1 advskew 100