[ 2833.825284] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 2833.873558] br0: port 1(dummy0) entered blocking state [ 2833.875489] br0: port 1(dummy0) entered disabled state [ 2833.877743] device dummy0 entered promiscuous mode [ 2833.968708] br0: port 1(dummy0) entered blocking state [ 2833.970631] br0: port 1(dummy0) entered forwarding state [ 2833.973209] IPv6: ADDRCONF(NETDEV_CHANGE): br0: link becomes ready