[ 2796.114190] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 2796.142775] br0: port 1(dummy0) entered blocking state [ 2796.142789] br0: port 1(dummy0) entered disabled state [ 2796.142864] device dummy0 entered promiscuous mode [ 2796.194399] br0: port 1(dummy0) entered blocking state [ 2796.194421] br0: port 1(dummy0) entered forwarding state [ 2796.194489] IPv6: ADDRCONF(NETDEV_CHANGE): br0: link becomes ready