[  426.242068] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  426.258081] br0: port 1(c1) entered blocking state
[  426.258112] br0: port 1(c1) entered disabled state
[  426.258152] c1: entered allmulticast mode
[  426.258200] c1: entered promiscuous mode
[  426.272811] br0: port 2(c2) entered blocking state
[  426.272844] br0: port 2(c2) entered disabled state
[  426.272880] c2: entered allmulticast mode
[  426.272924] c2: entered promiscuous mode
[  426.287452] br0: port 3(c3) entered blocking state
[  426.287482] br0: port 3(c3) entered disabled state
[  426.287520] c3: entered allmulticast mode
[  426.287559] c3: entered promiscuous mode
[  426.302060] br0: port 4(sender) entered blocking state
[  426.302125] br0: port 4(sender) entered disabled state
[  426.302190] sender: entered allmulticast mode
[  426.302274] sender: entered promiscuous mode
[  426.308122] br0: port 4(sender) entered blocking state
[  426.308187] br0: port 4(sender) entered forwarding state
[  426.308253] br0: port 3(c3) entered blocking state
[  426.308315] br0: port 3(c3) entered forwarding state
[  426.308387] br0: port 2(c2) entered blocking state
[  426.308456] br0: port 2(c2) entered forwarding state
[  426.308521] br0: port 1(c1) entered blocking state
[  426.308583] br0: port 1(c1) entered forwarding state
[  426.315733] Bridge firewalling registered
[  436.974077] br0: port 1(c1) entered disabled state
[  436.974380] c1 (unregistering): left allmulticast mode
[  436.974414] c1 (unregistering): left promiscuous mode
[  436.974450] br0: port 1(c1) entered disabled state
[  436.993524] br0: port 2(c2) entered disabled state
[  436.993662] c2 (unregistering): left allmulticast mode
[  436.993686] c2 (unregistering): left promiscuous mode
[  436.993715] br0: port 2(c2) entered disabled state
[  437.012524] br0: port 4(sender) entered disabled state
[  437.012596] br0: port 3(c3) entered disabled state
[  437.012718] sender (unregistering): left allmulticast mode
[  437.012747] sender (unregistering): left promiscuous mode
[  437.012781] br0: port 4(sender) entered disabled state
[  437.013005] c3 (unregistering): left allmulticast mode
[  437.013033] c3 (unregistering): left promiscuous mode
[  437.013062] br0: port 3(c3) entered disabled state