[  402.986797] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  402.999342] br0: port 1(c1) entered blocking state
[  402.999408] br0: port 1(c1) entered disabled state
[  402.999476] c1: entered allmulticast mode
[  402.999555] c1: entered promiscuous mode
[  403.011449] br0: port 2(c2) entered blocking state
[  403.011512] br0: port 2(c2) entered disabled state
[  403.011581] c2: entered allmulticast mode
[  403.011665] c2: entered promiscuous mode
[  403.023828] br0: port 3(c3) entered blocking state
[  403.023901] br0: port 3(c3) entered disabled state
[  403.023970] c3: entered allmulticast mode
[  403.024048] c3: entered promiscuous mode
[  403.036478] br0: port 4(sender) entered blocking state
[  403.036522] br0: port 4(sender) entered disabled state
[  403.036551] sender: entered allmulticast mode
[  403.036601] sender: entered promiscuous mode
[  403.041491] br0: port 4(sender) entered blocking state
[  403.041556] br0: port 4(sender) entered forwarding state
[  403.041625] br0: port 3(c3) entered blocking state
[  403.041694] br0: port 3(c3) entered forwarding state
[  403.041762] br0: port 2(c2) entered blocking state
[  403.041824] br0: port 2(c2) entered forwarding state
[  403.041892] br0: port 1(c1) entered blocking state
[  403.041957] br0: port 1(c1) entered forwarding state
[  403.048609] Bridge firewalling registered
[  413.725338] br0: port 1(c1) entered disabled state
[  413.725649] c1 (unregistering): left allmulticast mode
[  413.725741] c1 (unregistering): left promiscuous mode
[  413.725785] br0: port 1(c1) entered disabled state
[  413.751307] br0: port 3(c3) entered disabled state
[  413.751385] br0: port 2(c2) entered disabled state
[  413.751769] c3 (unregistering): left allmulticast mode
[  413.751840] c3 (unregistering): left promiscuous mode
[  413.751876] br0: port 3(c3) entered disabled state
[  413.752158] c2 (unregistering): left allmulticast mode
[  413.752194] c2 (unregistering): left promiscuous mode
[  413.752239] br0: port 2(c2) entered disabled state
[  413.768328] sender: left allmulticast mode
[  413.768391] sender: left promiscuous mode
[  413.768426] br0: port 4(sender) entered disabled state