[  409.676344] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  409.691108] br0: port 1(c1) entered blocking state
[  409.691177] br0: port 1(c1) entered disabled state
[  409.691250] c1: entered allmulticast mode
[  409.691333] c1: entered promiscuous mode
[  409.704605] br0: port 2(c2) entered blocking state
[  409.704672] br0: port 2(c2) entered disabled state
[  409.704741] c2: entered allmulticast mode
[  409.704821] c2: entered promiscuous mode
[  409.717504] br0: port 3(c3) entered blocking state
[  409.717581] br0: port 3(c3) entered disabled state
[  409.717651] c3: entered allmulticast mode
[  409.717732] c3: entered promiscuous mode
[  409.730771] br0: port 4(sender) entered blocking state
[  409.730807] br0: port 4(sender) entered disabled state
[  409.730840] sender: entered allmulticast mode
[  409.730888] sender: entered promiscuous mode
[  409.735935] br0: port 4(sender) entered blocking state
[  409.736003] br0: port 4(sender) entered forwarding state
[  409.736075] br0: port 3(c3) entered blocking state
[  409.736137] br0: port 3(c3) entered forwarding state
[  409.736206] br0: port 2(c2) entered blocking state
[  409.736272] br0: port 2(c2) entered forwarding state
[  409.736340] br0: port 1(c1) entered blocking state
[  409.736406] br0: port 1(c1) entered forwarding state
[  409.743520] Bridge firewalling registered
[  420.366803] br0: port 1(c1) entered disabled state
[  420.366989] c1 (unregistering): left allmulticast mode
[  420.367036] c1 (unregistering): left promiscuous mode
[  420.367066] br0: port 1(c1) entered disabled state
[  420.396659] br0: port 3(c3) entered disabled state
[  420.396749] br0: port 2(c2) entered disabled state
[  420.396897] c3 (unregistering): left allmulticast mode
[  420.396931] c3 (unregistering): left promiscuous mode
[  420.396957] br0: port 3(c3) entered disabled state
[  420.397161] c2 (unregistering): left allmulticast mode
[  420.397192] c2 (unregistering): left promiscuous mode
[  420.397221] br0: port 2(c2) entered disabled state
[  420.419748] sender: left allmulticast mode
[  420.419781] sender: left promiscuous mode
[  420.419815] br0: port 4(sender) entered disabled state