[  448.938137] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  448.953862] br0: port 1(c1) entered blocking state
[  448.953902] br0: port 1(c1) entered disabled state
[  448.953936] c1: entered allmulticast mode
[  448.953981] c1: entered promiscuous mode
[  448.968385] br0: port 2(c2) entered blocking state
[  448.968456] br0: port 2(c2) entered disabled state
[  448.968523] c2: entered allmulticast mode
[  448.968602] c2: entered promiscuous mode
[  448.982837] br0: port 3(c3) entered blocking state
[  448.982911] br0: port 3(c3) entered disabled state
[  448.982979] c3: entered allmulticast mode
[  448.983068] c3: entered promiscuous mode
[  448.997325] br0: port 4(sender) entered blocking state
[  448.997396] br0: port 4(sender) entered disabled state
[  448.997463] sender: entered allmulticast mode
[  448.997547] sender: entered promiscuous mode
[  449.003154] br0: port 4(sender) entered blocking state
[  449.003192] br0: port 4(sender) entered forwarding state
[  449.003225] br0: port 3(c3) entered blocking state
[  449.003249] br0: port 3(c3) entered forwarding state
[  449.003286] br0: port 2(c2) entered blocking state
[  449.003317] br0: port 2(c2) entered forwarding state
[  449.003350] br0: port 1(c1) entered blocking state
[  449.003380] br0: port 1(c1) entered forwarding state
[  449.009789] Bridge firewalling registered
[  459.647585] br0: port 1(c1) entered disabled state
[  459.647891] c1 (unregistering): left allmulticast mode
[  459.647961] c1 (unregistering): left promiscuous mode
[  459.648028] br0: port 1(c1) entered disabled state
[  459.664926] br0: port 2(c2) entered disabled state
[  459.665143] c2 (unregistering): left allmulticast mode
[  459.665212] c2 (unregistering): left promiscuous mode
[  459.665289] br0: port 2(c2) entered disabled state
[  459.689933] br0: port 4(sender) entered disabled state
[  459.690081] br0: port 3(c3) entered disabled state
[  459.690281] sender (unregistering): left allmulticast mode
[  459.690338] sender (unregistering): left promiscuous mode
[  459.690413] br0: port 4(sender) entered disabled state
[  459.690857] c3 (unregistering): left allmulticast mode
[  459.690925] c3 (unregistering): left promiscuous mode
[  459.691027] br0: port 3(c3) entered disabled state