[  424.209117] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  424.225323] br0: port 1(c1) entered blocking state
[  424.225364] br0: port 1(c1) entered disabled state
[  424.225398] c1: entered allmulticast mode
[  424.225452] c1: entered promiscuous mode
[  424.240953] br0: port 2(c2) entered blocking state
[  424.241028] br0: port 2(c2) entered disabled state
[  424.241098] c2: entered allmulticast mode
[  424.241179] c2: entered promiscuous mode
[  424.256781] br0: port 3(c3) entered blocking state
[  424.256854] br0: port 3(c3) entered disabled state
[  424.256926] c3: entered allmulticast mode
[  424.257005] c3: entered promiscuous mode
[  424.272401] br0: port 4(sender) entered blocking state
[  424.272439] br0: port 4(sender) entered disabled state
[  424.272477] sender: entered allmulticast mode
[  424.272536] sender: entered promiscuous mode
[  424.278701] br0: port 4(sender) entered blocking state
[  424.278744] br0: port 4(sender) entered forwarding state
[  424.278782] br0: port 3(c3) entered blocking state
[  424.278814] br0: port 3(c3) entered forwarding state
[  424.278851] br0: port 2(c2) entered blocking state
[  424.278880] br0: port 2(c2) entered forwarding state
[  424.278914] br0: port 1(c1) entered blocking state
[  424.278942] br0: port 1(c1) entered forwarding state
[  424.286057] Bridge firewalling registered
[  434.926668] br0: port 1(c1) entered disabled state
[  434.926900] c1 (unregistering): left allmulticast mode
[  434.926998] c1 (unregistering): left promiscuous mode
[  434.927079] br0: port 1(c1) entered disabled state
[  434.950673] br0: port 3(c3) entered disabled state
[  434.950816] br0: port 2(c2) entered disabled state
[  434.951045] c3 (unregistering): left allmulticast mode
[  434.951117] c3 (unregistering): left promiscuous mode
[  434.951216] br0: port 3(c3) entered disabled state
[  434.951496] c2 (unregistering): left allmulticast mode
[  434.951597] c2 (unregistering): left promiscuous mode
[  434.951697] br0: port 2(c2) entered disabled state
[  434.980664] sender: left allmulticast mode
[  434.980766] sender: left promiscuous mode
[  434.980875] br0: port 4(sender) entered disabled state