[ 3518.927880] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 3518.988229] br0: port 1(dummy0) entered blocking state [ 3518.988242] br0: port 1(dummy0) entered disabled state [ 3518.988325] device dummy0 entered promiscuous mode [ 3519.097063] br0: port 1(dummy0) entered blocking state [ 3519.097082] br0: port 1(dummy0) entered forwarding state [ 3519.097154] IPv6: ADDRCONF(NETDEV_CHANGE): br0: link becomes ready