arp flapping after udating system to 11-CURRENT.

[Peter Ankerstål]

Hi!

I recently upgraded my system to 11-CURRENT (FreeBSD 11.0-CURRENT #0 
r295087: Sun Jan 31 10:21:31 CET 2016) and after that all of my other 
devices in the network complains about arp-flapping:

arp: 172.25.0.1 moved from 00:00:24:d0:9e:5d to 02:e8:ea:15:66:00 on re0
arp: 172.25.0.1 moved from 02:e8:ea:15:66:00 to 00:00:24:d0:9e:5d on re0
arp: 172.25.0.1 moved from 00:00:24:d0:9e:5d to 02:e8:ea:15:66:00 on re0


It seems to be flapping between the virtual mac of my bridge interface 
and the actual mac adress on the physical interface. This was not the 
case when i ran FreeBSD 10.2. Is there some settings I need to do?


bridge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 
1500
         description: wired <-> wifi bridge
         ether 02:e8:ea:15:66:00
         inet 172.25.0.1 netmask 0xffffff00 broadcast 172.25.0.255
         inet6 2001:470:de59::1 prefixlen 64
         inet6 fe80::2%bridge0 prefixlen 64 scopeid 0xb
         nd6 options=1<PERFORMNUD>
         groups: bridge
         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: wlan2 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                 ifmaxaddr 0 port 10 priority 128 path cost 66666
         member: wlan1 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                 ifmaxaddr 0 port 9 priority 128 path cost 66666
         member: wlan0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                 ifmaxaddr 0 port 8 priority 128 path cost 22222
         member: em1 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                 ifmaxaddr 0 port 2 priority 128 path cost 2000000

em1: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 
mtu 1500
         description: wired LAN
 
options=42098<VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC,VLAN_HWTSO>
         ether 00:00:24:d0:9e:5d
         nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
         media: Ethernet autoselect (1000baseT <full-duplex>)
         status: active


/Peter.



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