[  412.260459] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  412.277557] br0: port 1(c1) entered blocking state
[  412.277596] br0: port 1(c1) entered disabled state
[  412.277632] c1: entered allmulticast mode
[  412.277684] c1: entered promiscuous mode
[  412.292148] br0: port 2(c2) entered blocking state
[  412.292185] br0: port 2(c2) entered disabled state
[  412.292217] c2: entered allmulticast mode
[  412.292271] c2: entered promiscuous mode
[  412.306590] br0: port 3(c3) entered blocking state
[  412.306633] br0: port 3(c3) entered disabled state
[  412.306672] c3: entered allmulticast mode
[  412.306719] c3: entered promiscuous mode
[  412.321100] br0: port 4(sender) entered blocking state
[  412.321140] br0: port 4(sender) entered disabled state
[  412.321177] sender: entered allmulticast mode
[  412.321227] sender: entered promiscuous mode
[  412.326823] br0: port 4(sender) entered blocking state
[  412.326861] br0: port 4(sender) entered forwarding state
[  412.326898] br0: port 3(c3) entered blocking state
[  412.326927] br0: port 3(c3) entered forwarding state
[  412.326951] br0: port 2(c2) entered blocking state
[  412.326984] br0: port 2(c2) entered forwarding state
[  412.327014] br0: port 1(c1) entered blocking state
[  412.327040] br0: port 1(c1) entered forwarding state
[  412.334644] Bridge firewalling registered
[  422.959102] br0: port 1(c1) entered disabled state
[  422.959292] c1 (unregistering): left allmulticast mode
[  422.959334] c1 (unregistering): left promiscuous mode
[  422.959366] br0: port 1(c1) entered disabled state
[  422.984044] br0: port 2(c2) entered disabled state
[  422.984285] c2 (unregistering): left allmulticast mode
[  422.984318] c2 (unregistering): left promiscuous mode
[  422.984360] br0: port 2(c2) entered disabled state
[  423.011058] br0: port 4(sender) entered disabled state
[  423.011139] br0: port 3(c3) entered disabled state
[  423.011308] sender (unregistering): left allmulticast mode
[  423.011341] sender (unregistering): left promiscuous mode
[  423.011373] br0: port 4(sender) entered disabled state
[  423.011608] c3 (unregistering): left allmulticast mode
[  423.011638] c3 (unregistering): left promiscuous mode
[  423.011666] br0: port 3(c3) entered disabled state