[  413.254353] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  413.272100] br0: port 1(c1) entered blocking state
[  413.272176] br0: port 1(c1) entered disabled state
[  413.272247] c1: entered allmulticast mode
[  413.272340] c1: entered promiscuous mode
[  413.288899] br0: port 2(c2) entered blocking state
[  413.288938] br0: port 2(c2) entered disabled state
[  413.288971] c2: entered allmulticast mode
[  413.289017] c2: entered promiscuous mode
[  413.304972] br0: port 3(c3) entered blocking state
[  413.305056] br0: port 3(c3) entered disabled state
[  413.305143] c3: entered allmulticast mode
[  413.305246] c3: entered promiscuous mode
[  413.320406] br0: port 4(sender) entered blocking state
[  413.320456] br0: port 4(sender) entered disabled state
[  413.320505] sender: entered allmulticast mode
[  413.320574] sender: entered promiscuous mode
[  413.326420] br0: port 4(sender) entered blocking state
[  413.326495] br0: port 4(sender) entered forwarding state
[  413.326562] br0: port 3(c3) entered blocking state
[  413.326623] br0: port 3(c3) entered forwarding state
[  413.326687] br0: port 2(c2) entered blocking state
[  413.326758] br0: port 2(c2) entered forwarding state
[  413.326822] br0: port 1(c1) entered blocking state
[  413.326884] br0: port 1(c1) entered forwarding state
[  413.334372] Bridge firewalling registered
[  423.963465] br0: port 1(c1) entered disabled state
[  423.963644] c1 (unregistering): left allmulticast mode
[  423.963692] c1 (unregistering): left promiscuous mode
[  423.963732] br0: port 1(c1) entered disabled state
[  423.988442] br0: port 2(c2) entered disabled state
[  423.988594] c2 (unregistering): left allmulticast mode
[  423.988637] c2 (unregistering): left promiscuous mode
[  423.988677] br0: port 2(c2) entered disabled state
[  424.018443] br0: port 4(sender) entered disabled state
[  424.018541] br0: port 3(c3) entered disabled state
[  424.018682] sender (unregistering): left allmulticast mode
[  424.018726] sender (unregistering): left promiscuous mode
[  424.018767] br0: port 4(sender) entered disabled state
[  424.018983] c3 (unregistering): left allmulticast mode
[  424.019031] c3 (unregistering): left promiscuous mode
[  424.019066] br0: port 3(c3) entered disabled state