[ 2625.318739] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 2625.342967] br0: port 1(dummy0) entered blocking state [ 2625.342972] br0: port 1(dummy0) entered disabled state [ 2625.343033] device dummy0 entered promiscuous mode [ 2625.382909] br0: port 1(dummy0) entered blocking state [ 2625.382917] br0: port 1(dummy0) entered forwarding state [ 2625.382954] IPv6: ADDRCONF(NETDEV_CHANGE): br0: link becomes ready