[  437.920158] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  437.934878] br0: port 1(c1) entered blocking state
[  437.934920] br0: port 1(c1) entered disabled state
[  437.934952] c1: entered allmulticast mode
[  437.934993] c1: entered promiscuous mode
[  437.949007] br0: port 2(c2) entered blocking state
[  437.949051] br0: port 2(c2) entered disabled state
[  437.949083] c2: entered allmulticast mode
[  437.949131] c2: entered promiscuous mode
[  437.962993] br0: port 3(c3) entered blocking state
[  437.963039] br0: port 3(c3) entered disabled state
[  437.963076] c3: entered allmulticast mode
[  437.963116] c3: entered promiscuous mode
[  437.977096] br0: port 4(sender) entered blocking state
[  437.977134] br0: port 4(sender) entered disabled state
[  437.977173] sender: entered allmulticast mode
[  437.977220] sender: entered promiscuous mode
[  437.982719] br0: port 4(sender) entered blocking state
[  437.982760] br0: port 4(sender) entered forwarding state
[  437.982789] br0: port 3(c3) entered blocking state
[  437.982818] br0: port 3(c3) entered forwarding state
[  437.982848] br0: port 2(c2) entered blocking state
[  437.982880] br0: port 2(c2) entered forwarding state
[  437.982911] br0: port 1(c1) entered blocking state
[  437.982942] br0: port 1(c1) entered forwarding state
[  437.989394] Bridge firewalling registered
[  448.629762] br0: port 1(c1) entered disabled state
[  448.629928] c1 (unregistering): left allmulticast mode
[  448.629958] c1 (unregistering): left promiscuous mode
[  448.629987] br0: port 1(c1) entered disabled state
[  448.654764] br0: port 3(c3) entered disabled state
[  448.654840] br0: port 2(c2) entered disabled state
[  448.654959] c3 (unregistering): left allmulticast mode
[  448.654998] c3 (unregistering): left promiscuous mode
[  448.655031] br0: port 3(c3) entered disabled state
[  448.655205] c2 (unregistering): left allmulticast mode
[  448.655234] c2 (unregistering): left promiscuous mode
[  448.655256] br0: port 2(c2) entered disabled state
[  448.675736] sender: left allmulticast mode
[  448.675770] sender: left promiscuous mode
[  448.675804] br0: port 4(sender) entered disabled state