[  426.950997] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  426.966975] br0: port 1(c1) entered blocking state
[  426.967021] br0: port 1(c1) entered disabled state
[  426.967052] c1: entered allmulticast mode
[  426.967104] c1: entered promiscuous mode
[  426.981714] br0: port 2(c2) entered blocking state
[  426.981758] br0: port 2(c2) entered disabled state
[  426.981791] c2: entered allmulticast mode
[  426.981838] c2: entered promiscuous mode
[  426.996436] br0: port 3(c3) entered blocking state
[  426.996476] br0: port 3(c3) entered disabled state
[  426.996507] c3: entered allmulticast mode
[  426.996550] c3: entered promiscuous mode
[  427.011230] br0: port 4(sender) entered blocking state
[  427.011269] br0: port 4(sender) entered disabled state
[  427.011307] sender: entered allmulticast mode
[  427.011357] sender: entered promiscuous mode
[  427.017120] br0: port 4(sender) entered blocking state
[  427.017156] br0: port 4(sender) entered forwarding state
[  427.017191] br0: port 3(c3) entered blocking state
[  427.017220] br0: port 3(c3) entered forwarding state
[  427.017248] br0: port 2(c2) entered blocking state
[  427.017281] br0: port 2(c2) entered forwarding state
[  427.017311] br0: port 1(c1) entered blocking state
[  427.017339] br0: port 1(c1) entered forwarding state
[  427.024034] Bridge firewalling registered
[  437.685677] br0: port 1(c1) entered disabled state
[  437.685959] c1 (unregistering): left allmulticast mode
[  437.686029] c1 (unregistering): left promiscuous mode
[  437.686136] br0: port 1(c1) entered disabled state
[  437.707985] br0: port 2(c2) entered disabled state
[  437.708180] c2 (unregistering): left allmulticast mode
[  437.708250] c2 (unregistering): left promiscuous mode
[  437.708317] br0: port 2(c2) entered disabled state
[  437.729068] br0: port 4(sender) entered disabled state
[  437.729155] br0: port 3(c3) entered disabled state
[  437.729339] sender (unregistering): left allmulticast mode
[  437.729380] sender (unregistering): left promiscuous mode
[  437.729410] br0: port 4(sender) entered disabled state
[  437.729755] c3 (unregistering): left allmulticast mode
[  437.729795] c3 (unregistering): left promiscuous mode
[  437.729830] br0: port 3(c3) entered disabled state