[  400.050338] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  400.064791] br0: port 1(c1) entered blocking state
[  400.064832] br0: port 1(c1) entered disabled state
[  400.064869] c1: entered allmulticast mode
[  400.064917] c1: entered promiscuous mode
[  400.077407] br0: port 2(c2) entered blocking state
[  400.077451] br0: port 2(c2) entered disabled state
[  400.077481] c2: entered allmulticast mode
[  400.077525] c2: entered promiscuous mode
[  400.089914] br0: port 3(c3) entered blocking state
[  400.089953] br0: port 3(c3) entered disabled state
[  400.089994] c3: entered allmulticast mode
[  400.090032] c3: entered promiscuous mode
[  400.102441] br0: port 4(sender) entered blocking state
[  400.102505] br0: port 4(sender) entered disabled state
[  400.102580] sender: entered allmulticast mode
[  400.102662] sender: entered promiscuous mode
[  400.107476] br0: port 4(sender) entered blocking state
[  400.107512] br0: port 4(sender) entered forwarding state
[  400.107556] br0: port 3(c3) entered blocking state
[  400.107592] br0: port 3(c3) entered forwarding state
[  400.107626] br0: port 2(c2) entered blocking state
[  400.107657] br0: port 2(c2) entered forwarding state
[  400.107690] br0: port 1(c1) entered blocking state
[  400.107715] br0: port 1(c1) entered forwarding state
[  400.114543] Bridge firewalling registered
[  410.733026] br0: port 1(c1) entered disabled state
[  410.733195] c1 (unregistering): left allmulticast mode
[  410.733228] c1 (unregistering): left promiscuous mode
[  410.733261] br0: port 1(c1) entered disabled state
[  410.763009] br0: port 3(c3) entered disabled state
[  410.763085] br0: port 2(c2) entered disabled state
[  410.763244] c3 (unregistering): left allmulticast mode
[  410.763278] c3 (unregistering): left promiscuous mode
[  410.763311] br0: port 3(c3) entered disabled state
[  410.763490] c2 (unregistering): left allmulticast mode
[  410.763525] c2 (unregistering): left promiscuous mode
[  410.763557] br0: port 2(c2) entered disabled state
[  410.781095] sender: left allmulticast mode
[  410.781124] sender: left promiscuous mode
[  410.781156] br0: port 4(sender) entered disabled state