[  400.217042] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  400.232164] br0: port 1(c1) entered blocking state
[  400.232197] br0: port 1(c1) entered disabled state
[  400.232227] c1: entered allmulticast mode
[  400.232267] c1: entered promiscuous mode
[  400.244088] br0: port 2(c2) entered blocking state
[  400.244117] br0: port 2(c2) entered disabled state
[  400.244144] c2: entered allmulticast mode
[  400.244179] c2: entered promiscuous mode
[  400.255858] br0: port 3(c3) entered blocking state
[  400.255915] br0: port 3(c3) entered disabled state
[  400.255973] c3: entered allmulticast mode
[  400.256044] c3: entered promiscuous mode
[  400.267690] br0: port 4(sender) entered blocking state
[  400.267725] br0: port 4(sender) entered disabled state
[  400.267752] sender: entered allmulticast mode
[  400.267791] sender: entered promiscuous mode
[  400.272381] br0: port 4(sender) entered blocking state
[  400.272413] br0: port 4(sender) entered forwarding state
[  400.272440] br0: port 3(c3) entered blocking state
[  400.272463] br0: port 3(c3) entered forwarding state
[  400.272492] br0: port 2(c2) entered blocking state
[  400.272515] br0: port 2(c2) entered forwarding state
[  400.272539] br0: port 1(c1) entered blocking state
[  400.272567] br0: port 1(c1) entered forwarding state
[  400.279012] Bridge firewalling registered
[  410.897834] br0: port 1(c1) entered disabled state
[  410.898029] c1 (unregistering): left allmulticast mode
[  410.898059] c1 (unregistering): left promiscuous mode
[  410.898086] br0: port 1(c1) entered disabled state
[  410.915813] br0: port 2(c2) entered disabled state
[  410.915943] c2 (unregistering): left allmulticast mode
[  410.915974] c2 (unregistering): left promiscuous mode
[  410.915999] br0: port 2(c2) entered disabled state
[  410.933826] br0: port 4(sender) entered disabled state
[  410.933896] br0: port 3(c3) entered disabled state
[  410.934039] sender (unregistering): left allmulticast mode
[  410.934068] sender (unregistering): left promiscuous mode
[  410.934092] br0: port 4(sender) entered disabled state
[  410.934337] c3 (unregistering): left allmulticast mode
[  410.934362] c3 (unregistering): left promiscuous mode
[  410.934390] br0: port 3(c3) entered disabled state