[  403.123995] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  403.139436] br0: port 1(c1) entered blocking state
[  403.139488] br0: port 1(c1) entered disabled state
[  403.139520] c1: entered allmulticast mode
[  403.139568] c1: entered promiscuous mode
[  403.152483] br0: port 2(c2) entered blocking state
[  403.152557] br0: port 2(c2) entered disabled state
[  403.152636] c2: entered allmulticast mode
[  403.152716] c2: entered promiscuous mode
[  403.165380] br0: port 3(c3) entered blocking state
[  403.165447] br0: port 3(c3) entered disabled state
[  403.165513] c3: entered allmulticast mode
[  403.165590] c3: entered promiscuous mode
[  403.178569] br0: port 4(sender) entered blocking state
[  403.178639] br0: port 4(sender) entered disabled state
[  403.178718] sender: entered allmulticast mode
[  403.178802] sender: entered promiscuous mode
[  403.183788] br0: port 4(sender) entered blocking state
[  403.183873] br0: port 4(sender) entered forwarding state
[  403.183948] br0: port 3(c3) entered blocking state
[  403.184011] br0: port 3(c3) entered forwarding state
[  403.184076] br0: port 2(c2) entered blocking state
[  403.184148] br0: port 2(c2) entered forwarding state
[  403.184236] br0: port 1(c1) entered blocking state
[  403.184299] br0: port 1(c1) entered forwarding state
[  403.191560] Bridge firewalling registered
[  413.801015] br0: port 1(c1) entered disabled state
[  413.801216] c1 (unregistering): left allmulticast mode
[  413.801254] c1 (unregistering): left promiscuous mode
[  413.801287] br0: port 1(c1) entered disabled state
[  413.828971] br0: port 3(c3) entered disabled state
[  413.829071] br0: port 2(c2) entered disabled state
[  413.829227] c3 (unregistering): left allmulticast mode
[  413.829267] c3 (unregistering): left promiscuous mode
[  413.829299] br0: port 3(c3) entered disabled state
[  413.829513] c2 (unregistering): left allmulticast mode
[  413.829551] c2 (unregistering): left promiscuous mode
[  413.829592] br0: port 2(c2) entered disabled state
[  413.841000] sender: left allmulticast mode
[  413.841065] sender: left promiscuous mode
[  413.841105] br0: port 4(sender) entered disabled state