[ 2504.166167] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[ 2504.187192] br0: port 1(dummy0) entered blocking state
[ 2504.187196] br0: port 1(dummy0) entered disabled state
[ 2504.187247] device dummy0 entered promiscuous mode
[ 2504.226100] br0: port 1(dummy0) entered blocking state
[ 2504.226106] br0: port 1(dummy0) entered forwarding state
[ 2504.226136] IPv6: ADDRCONF(NETDEV_CHANGE): br0: link becomes ready