[  400.955709] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  400.968884] br0: port 1(c1) entered blocking state
[  400.968932] br0: port 1(c1) entered disabled state
[  400.968971] c1: entered allmulticast mode
[  400.969024] c1: entered promiscuous mode
[  400.981534] br0: port 2(c2) entered blocking state
[  400.981580] br0: port 2(c2) entered disabled state
[  400.981629] c2: entered allmulticast mode
[  400.981684] c2: entered promiscuous mode
[  400.995298] br0: port 3(c3) entered blocking state
[  400.995377] br0: port 3(c3) entered disabled state
[  400.995448] c3: entered allmulticast mode
[  400.995530] c3: entered promiscuous mode
[  401.008161] br0: port 4(sender) entered blocking state
[  401.008201] br0: port 4(sender) entered disabled state
[  401.008244] sender: entered allmulticast mode
[  401.008301] sender: entered promiscuous mode
[  401.013203] br0: port 4(sender) entered blocking state
[  401.013277] br0: port 4(sender) entered forwarding state
[  401.013357] br0: port 3(c3) entered blocking state
[  401.013425] br0: port 3(c3) entered forwarding state
[  401.013494] br0: port 2(c2) entered blocking state
[  401.013562] br0: port 2(c2) entered forwarding state
[  401.013632] br0: port 1(c1) entered blocking state
[  401.013700] br0: port 1(c1) entered forwarding state
[  401.020780] Bridge firewalling registered
[  411.691445] br0: port 1(c1) entered disabled state
[  411.691648] c1 (unregistering): left allmulticast mode
[  411.691688] c1 (unregistering): left promiscuous mode
[  411.691720] br0: port 1(c1) entered disabled state
[  411.709432] br0: port 2(c2) entered disabled state
[  411.709595] c2 (unregistering): left allmulticast mode
[  411.709638] c2 (unregistering): left promiscuous mode
[  411.709668] br0: port 2(c2) entered disabled state
[  411.737420] br0: port 4(sender) entered disabled state
[  411.737504] br0: port 3(c3) entered disabled state
[  411.737654] sender (unregistering): left allmulticast mode
[  411.737694] sender (unregistering): left promiscuous mode
[  411.737727] br0: port 4(sender) entered disabled state
[  411.737981] c3 (unregistering): left allmulticast mode
[  411.738031] c3 (unregistering): left promiscuous mode
[  411.738067] br0: port 3(c3) entered disabled state