[  408.670945] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  408.686122] br0: port 1(c1) entered blocking state
[  408.686169] br0: port 1(c1) entered disabled state
[  408.686198] c1: entered allmulticast mode
[  408.686245] c1: entered promiscuous mode
[  408.699656] br0: port 2(c2) entered blocking state
[  408.699732] br0: port 2(c2) entered disabled state
[  408.699802] c2: entered allmulticast mode
[  408.699882] c2: entered promiscuous mode
[  408.713511] br0: port 3(c3) entered blocking state
[  408.713554] br0: port 3(c3) entered disabled state
[  408.713590] c3: entered allmulticast mode
[  408.713629] c3: entered promiscuous mode
[  408.726772] br0: port 4(sender) entered blocking state
[  408.726841] br0: port 4(sender) entered disabled state
[  408.726910] sender: entered allmulticast mode
[  408.726994] sender: entered promiscuous mode
[  408.732041] br0: port 4(sender) entered blocking state
[  408.732113] br0: port 4(sender) entered forwarding state
[  408.732183] br0: port 3(c3) entered blocking state
[  408.732249] br0: port 3(c3) entered forwarding state
[  408.732316] br0: port 2(c2) entered blocking state
[  408.732382] br0: port 2(c2) entered forwarding state
[  408.732449] br0: port 1(c1) entered blocking state
[  408.732515] br0: port 1(c1) entered forwarding state
[  408.739427] Bridge firewalling registered
[  419.411186] br0: port 1(c1) entered disabled state
[  419.411382] c1 (unregistering): left allmulticast mode
[  419.411426] c1 (unregistering): left promiscuous mode
[  419.411470] br0: port 1(c1) entered disabled state
[  419.431132] br0: port 2(c2) entered disabled state
[  419.431278] c2 (unregistering): left allmulticast mode
[  419.431319] c2 (unregistering): left promiscuous mode
[  419.431352] br0: port 2(c2) entered disabled state
[  419.453130] br0: port 4(sender) entered disabled state
[  419.453218] br0: port 3(c3) entered disabled state
[  419.453327] sender (unregistering): left allmulticast mode
[  419.453363] sender (unregistering): left promiscuous mode
[  419.453390] br0: port 4(sender) entered disabled state
[  419.453582] c3 (unregistering): left allmulticast mode
[  419.453616] c3 (unregistering): left promiscuous mode
[  419.453642] br0: port 3(c3) entered disabled state