[  426.906007] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  426.921966] br0: port 1(c1) entered blocking state
[  426.922058] br0: port 1(c1) entered disabled state
[  426.922137] c1: entered allmulticast mode
[  426.922220] c1: entered promiscuous mode
[  426.937175] br0: port 2(c2) entered blocking state
[  426.937253] br0: port 2(c2) entered disabled state
[  426.937323] c2: entered allmulticast mode
[  426.937406] c2: entered promiscuous mode
[  426.952310] br0: port 3(c3) entered blocking state
[  426.952383] br0: port 3(c3) entered disabled state
[  426.952453] c3: entered allmulticast mode
[  426.952534] c3: entered promiscuous mode
[  426.967310] br0: port 4(sender) entered blocking state
[  426.967355] br0: port 4(sender) entered disabled state
[  426.967394] sender: entered allmulticast mode
[  426.967445] sender: entered promiscuous mode
[  426.973214] br0: port 4(sender) entered blocking state
[  426.973245] br0: port 4(sender) entered forwarding state
[  426.973283] br0: port 3(c3) entered blocking state
[  426.973320] br0: port 3(c3) entered forwarding state
[  426.973352] br0: port 2(c2) entered blocking state
[  426.973381] br0: port 2(c2) entered forwarding state
[  426.973411] br0: port 1(c1) entered blocking state
[  426.973463] br0: port 1(c1) entered forwarding state
[  426.980227] Bridge firewalling registered
[  437.639910] br0: port 1(c1) entered disabled state
[  437.640138] c1 (unregistering): left allmulticast mode
[  437.640174] c1 (unregistering): left promiscuous mode
[  437.640207] br0: port 1(c1) entered disabled state
[  437.654128] br0: port 2(c2) entered disabled state
[  437.654312] c2 (unregistering): left allmulticast mode
[  437.654343] c2 (unregistering): left promiscuous mode
[  437.654374] br0: port 2(c2) entered disabled state
[  437.673085] br0: port 3(c3) entered disabled state
[  437.673247] c3 (unregistering): left allmulticast mode
[  437.673276] c3 (unregistering): left promiscuous mode
[  437.673306] br0: port 3(c3) entered disabled state
[  437.694069] sender: left allmulticast mode
[  437.694099] sender: left promiscuous mode
[  437.694131] br0: port 4(sender) entered disabled state