[ 3198.116580] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 3198.177606] br0: port 1(dummy0) entered blocking state [ 3198.177949] br0: port 1(dummy0) entered disabled state [ 3198.178401] device dummy0 entered promiscuous mode [ 3198.305599] br0: port 1(dummy0) entered blocking state [ 3198.305912] br0: port 1(dummy0) entered forwarding state [ 3198.306270] IPv6: ADDRCONF(NETDEV_CHANGE): br0: link becomes ready