[  406.210871] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  406.225188] br0: port 1(c1) entered blocking state
[  406.225277] br0: port 1(c1) entered disabled state
[  406.225355] c1: entered allmulticast mode
[  406.225447] c1: entered promiscuous mode
[  406.240569] br0: port 2(c2) entered blocking state
[  406.240610] br0: port 2(c2) entered disabled state
[  406.240645] c2: entered allmulticast mode
[  406.240697] c2: entered promiscuous mode
[  406.253821] br0: port 3(c3) entered blocking state
[  406.253857] br0: port 3(c3) entered disabled state
[  406.253889] c3: entered allmulticast mode
[  406.253934] c3: entered promiscuous mode
[  406.267173] br0: port 4(sender) entered blocking state
[  406.267243] br0: port 4(sender) entered disabled state
[  406.267318] sender: entered allmulticast mode
[  406.267416] sender: entered promiscuous mode
[  406.272951] br0: port 4(sender) entered blocking state
[  406.273033] br0: port 4(sender) entered forwarding state
[  406.273104] br0: port 3(c3) entered blocking state
[  406.273175] br0: port 3(c3) entered forwarding state
[  406.273246] br0: port 2(c2) entered blocking state
[  406.273317] br0: port 2(c2) entered forwarding state
[  406.273386] br0: port 1(c1) entered blocking state
[  406.273457] br0: port 1(c1) entered forwarding state
[  406.280579] Bridge firewalling registered
[  416.906832] br0: port 1(c1) entered disabled state
[  416.907005] c1 (unregistering): left allmulticast mode
[  416.907037] c1 (unregistering): left promiscuous mode
[  416.907073] br0: port 1(c1) entered disabled state
[  416.933773] br0: port 2(c2) entered disabled state
[  416.933920] c2 (unregistering): left allmulticast mode
[  416.933966] c2 (unregistering): left promiscuous mode
[  416.934001] br0: port 2(c2) entered disabled state
[  416.967784] br0: port 4(sender) entered disabled state
[  416.967871] br0: port 3(c3) entered disabled state
[  416.967993] sender (unregistering): left allmulticast mode
[  416.968034] sender (unregistering): left promiscuous mode
[  416.968117] br0: port 4(sender) entered disabled state
[  416.968306] c3 (unregistering): left allmulticast mode
[  416.968355] c3 (unregistering): left promiscuous mode
[  416.968381] br0: port 3(c3) entered disabled state