[ 271.591120] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 271.631331] br0: port 1(dummy0) entered blocking state [ 271.631685] br0: port 1(dummy0) entered disabled state [ 271.632080] device dummy0 entered promiscuous mode [ 271.706850] br0: port 1(dummy0) entered blocking state [ 271.707210] br0: port 1(dummy0) entered forwarding state [ 271.707577] IPv6: ADDRCONF(NETDEV_CHANGE): br0: link becomes ready