I have 2 nics on my system, em0 and em1. They are configured as laggports on lagg0. lagg0 is a member of bridge0 which is where I'd like to configure the host IP address. I would like only bridge0 to get a link local address. I have a third physical interface, re0 that I'm not using at all. I have no configuration for re0 in my rc.conf, it works as expected. Steps to reproduce: # rc.conf ipv6_activate_all_interfaces="NO" cloned_interfaces="lagg0 bridge0" ifconfig_em0="up" ifconfig_em1="up" ifconfig_lagg0="up laggport em0 laggport em1 laggproto roundrobin" ifconfig_bridge0="up addm lagg0 addm tap0 192.168.10.10/24" ifconfig_bridge0_ipv6="inet6 auto_linklocal accept_rtadv" Expected result: em0, em1 and lagg0 should have no IPV4 or IPV6 addresses. bridge0 should have a link local address. Actual result: All interfaces get link local addresses. # ifconfig re0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=8209b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC,LINKSTATE> ether 50:e5:49:WW:WW:WW nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> media: Ethernet autoselect (100baseTX <full-duplex>) status: active em0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=4019b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,VLAN_HWTSO> ether 00:15:17:XX:XX:XX inet6 fe80::215:17ff:feXX:XXXX%em0 prefixlen 64 scopeid 0x2 nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> media: Ethernet autoselect (1000baseT <full-duplex>) status: active em1: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=4019b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,VLAN_HWTSO> ether 00:15:17:0b:13:86 inet6 fe80::215:17ff:feXX:XXXY%em1 prefixlen 64 scopeid 0x3 nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> media: Ethernet autoselect (1000baseT <full-duplex>) status: active lagg0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=4019b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,VLAN_HWTSO> ether 00:15:17:XX:XX:XX inet6 fe80::52e5:49ff:feYY:YYYY%lagg0 prefixlen 64 scopeid 0x5 nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> media: Ethernet autoselect status: active laggproto roundrobin lagghash l2,l3,l4 laggport: em1 flags=4<ACTIVE> laggport: em0 flags=4<ACTIVE> bridge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 ether 02:34:2f:ZZ:ZZ:ZZ inet 192.168.10.10 netmask 0xffffff00 broadcast 192.168.10.255 inet6 fe80::34:2fff:feZZ:ZZZZ%bridge0 prefixlen 64 scopeid 0x6 nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL> id 00:00:00:00:00:00 priority 32768 hellotime 2 fwddelay 15 maxage 20 holdcnt 6 proto rstp maxaddr 2000 timeout 1200 root id 00:00:00:00:00:00 priority 32768 ifcost 0 port 0 member: lagg0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP> ifmaxaddr 0 port 5 priority 128 path cost 55