[ 2556.006315] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 2556.035582] br0: port 1(dummy0) entered blocking state [ 2556.035595] br0: port 1(dummy0) entered disabled state [ 2556.035682] device dummy0 entered promiscuous mode [ 2556.089858] br0: port 1(dummy0) entered blocking state [ 2556.089871] br0: port 1(dummy0) entered forwarding state [ 2556.089919] IPv6: ADDRCONF(NETDEV_CHANGE): br0: link becomes ready