[ 3636.805936] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 3636.866215] br0: port 1(dummy0) entered blocking state [ 3636.866228] br0: port 1(dummy0) entered disabled state [ 3636.866316] device dummy0 entered promiscuous mode [ 3636.971344] br0: port 1(dummy0) entered blocking state [ 3636.971365] br0: port 1(dummy0) entered forwarding state [ 3636.971450] IPv6: ADDRCONF(NETDEV_CHANGE): br0: link becomes ready