[  400.759011] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  400.773639] br0: port 1(c1) entered blocking state
[  400.773742] br0: port 1(c1) entered disabled state
[  400.773813] c1: entered allmulticast mode
[  400.773891] c1: entered promiscuous mode
[  400.787274] br0: port 2(c2) entered blocking state
[  400.787343] br0: port 2(c2) entered disabled state
[  400.787387] c2: entered allmulticast mode
[  400.787429] c2: entered promiscuous mode
[  400.800662] br0: port 3(c3) entered blocking state
[  400.800730] br0: port 3(c3) entered disabled state
[  400.800770] c3: entered allmulticast mode
[  400.800822] c3: entered promiscuous mode
[  400.814095] br0: port 4(sender) entered blocking state
[  400.814165] br0: port 4(sender) entered disabled state
[  400.814243] sender: entered allmulticast mode
[  400.814319] sender: entered promiscuous mode
[  400.819609] br0: port 4(sender) entered blocking state
[  400.819650] br0: port 4(sender) entered forwarding state
[  400.819680] br0: port 3(c3) entered blocking state
[  400.819712] br0: port 3(c3) entered forwarding state
[  400.819740] br0: port 2(c2) entered blocking state
[  400.819770] br0: port 2(c2) entered forwarding state
[  400.819795] br0: port 1(c1) entered blocking state
[  400.819857] br0: port 1(c1) entered forwarding state
[  400.827031] Bridge firewalling registered
[  411.452341] br0: port 1(c1) entered disabled state
[  411.452522] c1 (unregistering): left allmulticast mode
[  411.452563] c1 (unregistering): left promiscuous mode
[  411.452596] br0: port 1(c1) entered disabled state
[  411.475285] br0: port 2(c2) entered disabled state
[  411.475439] c2 (unregistering): left allmulticast mode
[  411.475480] c2 (unregistering): left promiscuous mode
[  411.475511] br0: port 2(c2) entered disabled state
[  411.493305] br0: port 4(sender) entered disabled state
[  411.493377] br0: port 3(c3) entered disabled state
[  411.493495] sender (unregistering): left allmulticast mode
[  411.493527] sender (unregistering): left promiscuous mode
[  411.493561] br0: port 4(sender) entered disabled state
[  411.493729] c3 (unregistering): left allmulticast mode
[  411.493765] c3 (unregistering): left promiscuous mode
[  411.493806] br0: port 3(c3) entered disabled state