[  413.031183] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  413.046162] br0: port 1(c1) entered blocking state
[  413.046196] br0: port 1(c1) entered disabled state
[  413.046234] c1: entered allmulticast mode
[  413.046280] c1: entered promiscuous mode
[  413.060124] br0: port 2(c2) entered blocking state
[  413.060158] br0: port 2(c2) entered disabled state
[  413.060191] c2: entered allmulticast mode
[  413.060241] c2: entered promiscuous mode
[  413.073853] br0: port 3(c3) entered blocking state
[  413.073885] br0: port 3(c3) entered disabled state
[  413.073917] c3: entered allmulticast mode
[  413.073961] c3: entered promiscuous mode
[  413.087533] br0: port 4(sender) entered blocking state
[  413.087562] br0: port 4(sender) entered disabled state
[  413.087597] sender: entered allmulticast mode
[  413.087654] sender: entered promiscuous mode
[  413.093065] br0: port 4(sender) entered blocking state
[  413.093098] br0: port 4(sender) entered forwarding state
[  413.093132] br0: port 3(c3) entered blocking state
[  413.093156] br0: port 3(c3) entered forwarding state
[  413.093186] br0: port 2(c2) entered blocking state
[  413.093213] br0: port 2(c2) entered forwarding state
[  413.093240] br0: port 1(c1) entered blocking state
[  413.093271] br0: port 1(c1) entered forwarding state
[  413.099621] Bridge firewalling registered
[  423.700294] br0: port 1(c1) entered disabled state
[  423.700564] c1 (unregistering): left allmulticast mode
[  423.700598] c1 (unregistering): left promiscuous mode
[  423.700630] br0: port 1(c1) entered disabled state
[  423.724508] br0: port 2(c2) entered disabled state
[  423.724698] c2 (unregistering): left allmulticast mode
[  423.724728] c2 (unregistering): left promiscuous mode
[  423.724771] br0: port 2(c2) entered disabled state
[  423.750544] br0: port 4(sender) entered disabled state
[  423.750628] br0: port 3(c3) entered disabled state
[  423.750827] sender (unregistering): left allmulticast mode
[  423.750861] sender (unregistering): left promiscuous mode
[  423.750891] br0: port 4(sender) entered disabled state
[  423.751222] c3 (unregistering): left allmulticast mode
[  423.751250] c3 (unregistering): left promiscuous mode
[  423.751281] br0: port 3(c3) entered disabled state