[ 2180.220546] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 2180.275568] br0: port 1(dummy0) entered blocking state [ 2180.280699] br0: port 1(dummy0) entered disabled state [ 2180.286106] device dummy0 entered promiscuous mode [ 2180.373025] br0: port 1(dummy0) entered blocking state [ 2180.378157] br0: port 1(dummy0) entered forwarding state [ 2180.383627] IPv6: ADDRCONF(NETDEV_CHANGE): br0: link becomes ready