[ 2578.345321] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 2578.406248] br0: port 1(dummy0) entered blocking state [ 2578.406924] br0: port 1(dummy0) entered disabled state [ 2578.408000] device dummy0 entered promiscuous mode [ 2578.539034] br0: port 1(dummy0) entered blocking state [ 2578.539732] br0: port 1(dummy0) entered forwarding state [ 2578.540530] IPv6: ADDRCONF(NETDEV_CHANGE): br0: link becomes ready