[  426.521856] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  426.538317] br0: port 1(c1) entered blocking state
[  426.538369] br0: port 1(c1) entered disabled state
[  426.538403] c1: entered allmulticast mode
[  426.538465] c1: entered promiscuous mode
[  426.553235] br0: port 2(c2) entered blocking state
[  426.553292] br0: port 2(c2) entered disabled state
[  426.553330] c2: entered allmulticast mode
[  426.553398] c2: entered promiscuous mode
[  426.567958] br0: port 3(c3) entered blocking state
[  426.568005] br0: port 3(c3) entered disabled state
[  426.568036] c3: entered allmulticast mode
[  426.568087] c3: entered promiscuous mode
[  426.582487] br0: port 4(sender) entered blocking state
[  426.582534] br0: port 4(sender) entered disabled state
[  426.582573] sender: entered allmulticast mode
[  426.582638] sender: entered promiscuous mode
[  426.588406] br0: port 4(sender) entered blocking state
[  426.588450] br0: port 4(sender) entered forwarding state
[  426.588480] br0: port 3(c3) entered blocking state
[  426.588519] br0: port 3(c3) entered forwarding state
[  426.588546] br0: port 2(c2) entered blocking state
[  426.588577] br0: port 2(c2) entered forwarding state
[  426.588607] br0: port 1(c1) entered blocking state
[  426.588636] br0: port 1(c1) entered forwarding state
[  426.596615] Bridge firewalling registered
[  437.290846] br0: port 1(c1) entered disabled state
[  437.291097] c1 (unregistering): left allmulticast mode
[  437.291159] c1 (unregistering): left promiscuous mode
[  437.291202] br0: port 1(c1) entered disabled state
[  437.314800] br0: port 2(c2) entered disabled state
[  437.315045] c2 (unregistering): left allmulticast mode
[  437.315082] c2 (unregistering): left promiscuous mode
[  437.315115] br0: port 2(c2) entered disabled state
[  437.336912] sender: left allmulticast mode
[  437.336997] sender: left promiscuous mode
[  437.337041] br0: port 4(sender) entered disabled state
[  437.337254] c3: left allmulticast mode
[  437.337333] c3: left promiscuous mode
[  437.337383] br0: port 3(c3) entered disabled state