[  453.053754] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  453.069500] br0: port 1(c1) entered blocking state
[  453.069573] br0: port 1(c1) entered disabled state
[  453.069643] c1: entered allmulticast mode
[  453.069724] c1: entered promiscuous mode
[  453.084796] br0: port 2(c2) entered blocking state
[  453.084866] br0: port 2(c2) entered disabled state
[  453.084935] c2: entered allmulticast mode
[  453.085030] c2: entered promiscuous mode
[  453.099967] br0: port 3(c3) entered blocking state
[  453.100038] br0: port 3(c3) entered disabled state
[  453.100107] c3: entered allmulticast mode
[  453.100186] c3: entered promiscuous mode
[  453.115039] br0: port 4(sender) entered blocking state
[  453.115076] br0: port 4(sender) entered disabled state
[  453.115112] sender: entered allmulticast mode
[  453.115165] sender: entered promiscuous mode
[  453.120981] br0: port 4(sender) entered blocking state
[  453.121047] br0: port 4(sender) entered forwarding state
[  453.121116] br0: port 3(c3) entered blocking state
[  453.121180] br0: port 3(c3) entered forwarding state
[  453.121247] br0: port 2(c2) entered blocking state
[  453.121310] br0: port 2(c2) entered forwarding state
[  453.121376] br0: port 1(c1) entered blocking state
[  453.121441] br0: port 1(c1) entered forwarding state
[  453.128244] Bridge firewalling registered
[  463.730648] br0: port 1(c1) entered disabled state
[  463.730871] c1 (unregistering): left allmulticast mode
[  463.730904] c1 (unregistering): left promiscuous mode
[  463.730936] br0: port 1(c1) entered disabled state
[  463.745891] br0: port 2(c2) entered disabled state
[  463.746040] c2 (unregistering): left allmulticast mode
[  463.746070] c2 (unregistering): left promiscuous mode
[  463.746099] br0: port 2(c2) entered disabled state
[  463.764864] br0: port 3(c3) entered disabled state
[  463.765001] c3 (unregistering): left allmulticast mode
[  463.765033] c3 (unregistering): left promiscuous mode
[  463.765064] br0: port 3(c3) entered disabled state
[  463.788849] sender: left allmulticast mode
[  463.788885] sender: left promiscuous mode
[  463.788916] br0: port 4(sender) entered disabled state