[  426.936020] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  426.953299] br0: port 1(c1) entered blocking state
[  426.953338] br0: port 1(c1) entered disabled state
[  426.953381] c1: entered allmulticast mode
[  426.953435] c1: entered promiscuous mode
[  426.968773] br0: port 2(c2) entered blocking state
[  426.968810] br0: port 2(c2) entered disabled state
[  426.968848] c2: entered allmulticast mode
[  426.968906] c2: entered promiscuous mode
[  426.984826] br0: port 3(c3) entered blocking state
[  426.984902] br0: port 3(c3) entered disabled state
[  426.984975] c3: entered allmulticast mode
[  426.985060] c3: entered promiscuous mode
[  427.001185] br0: port 4(sender) entered blocking state
[  427.001234] br0: port 4(sender) entered disabled state
[  427.001273] sender: entered allmulticast mode
[  427.001340] sender: entered promiscuous mode
[  427.007234] br0: port 4(sender) entered blocking state
[  427.007270] br0: port 4(sender) entered forwarding state
[  427.007304] br0: port 3(c3) entered blocking state
[  427.007339] br0: port 3(c3) entered forwarding state
[  427.007372] br0: port 2(c2) entered blocking state
[  427.007401] br0: port 2(c2) entered forwarding state
[  427.007431] br0: port 1(c1) entered blocking state
[  427.007460] br0: port 1(c1) entered forwarding state
[  427.014459] Bridge firewalling registered
[  437.662808] br0: port 1(c1) entered disabled state
[  437.663018] c1 (unregistering): left allmulticast mode
[  437.663053] c1 (unregistering): left promiscuous mode
[  437.663083] br0: port 1(c1) entered disabled state
[  437.682384] br0: port 2(c2) entered disabled state
[  437.682588] c2 (unregistering): left allmulticast mode
[  437.682623] c2 (unregistering): left promiscuous mode
[  437.682654] br0: port 2(c2) entered disabled state
[  437.704378] br0: port 4(sender) entered disabled state
[  437.704478] br0: port 3(c3) entered disabled state
[  437.704710] sender (unregistering): left allmulticast mode
[  437.704747] sender (unregistering): left promiscuous mode
[  437.704782] br0: port 4(sender) entered disabled state
[  437.705064] c3 (unregistering): left allmulticast mode
[  437.705101] c3 (unregistering): left promiscuous mode
[  437.705131] br0: port 3(c3) entered disabled state