[  407.439767] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  407.454298] br0: port 1(c1) entered blocking state
[  407.454351] br0: port 1(c1) entered disabled state
[  407.454383] c1: entered allmulticast mode
[  407.454427] c1: entered promiscuous mode
[  407.467539] br0: port 2(c2) entered blocking state
[  407.467587] br0: port 2(c2) entered disabled state
[  407.467623] c2: entered allmulticast mode
[  407.467667] c2: entered promiscuous mode
[  407.480967] br0: port 3(c3) entered blocking state
[  407.481041] br0: port 3(c3) entered disabled state
[  407.481119] c3: entered allmulticast mode
[  407.481201] c3: entered promiscuous mode
[  407.494193] br0: port 4(sender) entered blocking state
[  407.494267] br0: port 4(sender) entered disabled state
[  407.494339] sender: entered allmulticast mode
[  407.494436] sender: entered promiscuous mode
[  407.499564] br0: port 4(sender) entered blocking state
[  407.499605] br0: port 4(sender) entered forwarding state
[  407.499639] br0: port 3(c3) entered blocking state
[  407.499669] br0: port 3(c3) entered forwarding state
[  407.499708] br0: port 2(c2) entered blocking state
[  407.499737] br0: port 2(c2) entered forwarding state
[  407.499777] br0: port 1(c1) entered blocking state
[  407.499807] br0: port 1(c1) entered forwarding state
[  407.506999] Bridge firewalling registered
[  418.137889] br0: port 1(c1) entered disabled state
[  418.138069] c1 (unregistering): left allmulticast mode
[  418.138107] c1 (unregistering): left promiscuous mode
[  418.138136] br0: port 1(c1) entered disabled state
[  418.162853] br0: port 2(c2) entered disabled state
[  418.163061] c2 (unregistering): left allmulticast mode
[  418.163110] c2 (unregistering): left promiscuous mode
[  418.163144] br0: port 2(c2) entered disabled state
[  418.184857] br0: port 4(sender) entered disabled state
[  418.184957] br0: port 3(c3) entered disabled state
[  418.185145] sender (unregistering): left allmulticast mode
[  418.185185] sender (unregistering): left promiscuous mode
[  418.185214] br0: port 4(sender) entered disabled state
[  418.185476] c3 (unregistering): left allmulticast mode
[  418.185508] c3 (unregistering): left promiscuous mode
[  418.185541] br0: port 3(c3) entered disabled state