[  403.193826] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  403.210084] br0: port 1(c1) entered blocking state
[  403.210140] br0: port 1(c1) entered disabled state
[  403.210180] c1: entered allmulticast mode
[  403.210230] c1: entered promiscuous mode
[  403.224262] br0: port 2(c2) entered blocking state
[  403.224303] br0: port 2(c2) entered disabled state
[  403.224336] c2: entered allmulticast mode
[  403.224386] c2: entered promiscuous mode
[  403.238440] br0: port 3(c3) entered blocking state
[  403.238507] br0: port 3(c3) entered disabled state
[  403.238578] c3: entered allmulticast mode
[  403.238660] c3: entered promiscuous mode
[  403.252877] br0: port 4(sender) entered blocking state
[  403.252923] br0: port 4(sender) entered disabled state
[  403.252957] sender: entered allmulticast mode
[  403.253014] sender: entered promiscuous mode
[  403.258190] br0: port 4(sender) entered blocking state
[  403.258226] br0: port 4(sender) entered forwarding state
[  403.258263] br0: port 3(c3) entered blocking state
[  403.258297] br0: port 3(c3) entered forwarding state
[  403.258328] br0: port 2(c2) entered blocking state
[  403.258360] br0: port 2(c2) entered forwarding state
[  403.258390] br0: port 1(c1) entered blocking state
[  403.258422] br0: port 1(c1) entered forwarding state
[  403.266123] Bridge firewalling registered
[  413.940305] br0: port 1(c1) entered disabled state
[  413.940652] c1 (unregistering): left allmulticast mode
[  413.940735] c1 (unregistering): left promiscuous mode
[  413.940791] br0: port 1(c1) entered disabled state
[  413.959951] br0: port 2(c2) entered disabled state
[  413.960345] c2 (unregistering): left allmulticast mode
[  413.960424] c2 (unregistering): left promiscuous mode
[  413.960468] br0: port 2(c2) entered disabled state
[  413.981944] br0: port 4(sender) entered disabled state
[  413.982027] br0: port 3(c3) entered disabled state
[  413.982364] sender (unregistering): left allmulticast mode
[  413.982428] sender (unregistering): left promiscuous mode
[  413.982467] br0: port 4(sender) entered disabled state
[  413.983087] c3 (unregistering): left allmulticast mode
[  413.983160] c3 (unregistering): left promiscuous mode
[  413.983197] br0: port 3(c3) entered disabled state