[ 2364.404143] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 2364.445049] br0: port 1(dummy0) entered blocking state [ 2364.445441] br0: port 1(dummy0) entered disabled state [ 2364.446071] device dummy0 entered promiscuous mode [ 2364.524270] br0: port 1(dummy0) entered blocking state [ 2364.524673] br0: port 1(dummy0) entered forwarding state [ 2364.525095] IPv6: ADDRCONF(NETDEV_CHANGE): br0: link becomes ready