[  418.996013] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  419.011764] br0: port 1(c1) entered blocking state
[  419.011808] br0: port 1(c1) entered disabled state
[  419.011857] c1: entered allmulticast mode
[  419.011916] c1: entered promiscuous mode
[  419.027783] br0: port 2(c2) entered blocking state
[  419.027829] br0: port 2(c2) entered disabled state
[  419.027872] c2: entered allmulticast mode
[  419.027923] c2: entered promiscuous mode
[  419.043318] br0: port 3(c3) entered blocking state
[  419.043360] br0: port 3(c3) entered disabled state
[  419.043395] c3: entered allmulticast mode
[  419.043445] c3: entered promiscuous mode
[  419.059345] br0: port 4(sender) entered blocking state
[  419.059430] br0: port 4(sender) entered disabled state
[  419.059520] sender: entered allmulticast mode
[  419.059624] sender: entered promiscuous mode
[  419.065681] br0: port 4(sender) entered blocking state
[  419.065724] br0: port 4(sender) entered forwarding state
[  419.065757] br0: port 3(c3) entered blocking state
[  419.065786] br0: port 3(c3) entered forwarding state
[  419.065826] br0: port 2(c2) entered blocking state
[  419.065865] br0: port 2(c2) entered forwarding state
[  419.065894] br0: port 1(c1) entered blocking state
[  419.065930] br0: port 1(c1) entered forwarding state
[  419.072686] Bridge firewalling registered
[  429.677517] br0: port 1(c1) entered disabled state
[  429.677800] c1 (unregistering): left allmulticast mode
[  429.677837] c1 (unregistering): left promiscuous mode
[  429.677881] br0: port 1(c1) entered disabled state
[  429.696972] br0: port 2(c2) entered disabled state
[  429.697150] c2 (unregistering): left allmulticast mode
[  429.697180] c2 (unregistering): left promiscuous mode
[  429.697212] br0: port 2(c2) entered disabled state
[  429.720954] br0: port 4(sender) entered disabled state
[  429.721034] br0: port 3(c3) entered disabled state
[  429.721218] sender (unregistering): left allmulticast mode
[  429.721254] sender (unregistering): left promiscuous mode
[  429.721277] br0: port 4(sender) entered disabled state
[  429.721526] c3 (unregistering): left allmulticast mode
[  429.721555] c3 (unregistering): left promiscuous mode
[  429.721588] br0: port 3(c3) entered disabled state