[  421.320202] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  421.336303] br0: port 1(c1) entered blocking state
[  421.336377] br0: port 1(c1) entered disabled state
[  421.336452] c1: entered allmulticast mode
[  421.336533] c1: entered promiscuous mode
[  421.351642] br0: port 2(c2) entered blocking state
[  421.351691] br0: port 2(c2) entered disabled state
[  421.351726] c2: entered allmulticast mode
[  421.351775] c2: entered promiscuous mode
[  421.366171] br0: port 3(c3) entered blocking state
[  421.366212] br0: port 3(c3) entered disabled state
[  421.366244] c3: entered allmulticast mode
[  421.366291] c3: entered promiscuous mode
[  421.380761] br0: port 4(sender) entered blocking state
[  421.380805] br0: port 4(sender) entered disabled state
[  421.380840] sender: entered allmulticast mode
[  421.380890] sender: entered promiscuous mode
[  421.386490] br0: port 4(sender) entered blocking state
[  421.386521] br0: port 4(sender) entered forwarding state
[  421.386556] br0: port 3(c3) entered blocking state
[  421.386591] br0: port 3(c3) entered forwarding state
[  421.386624] br0: port 2(c2) entered blocking state
[  421.386652] br0: port 2(c2) entered forwarding state
[  421.386683] br0: port 1(c1) entered blocking state
[  421.386713] br0: port 1(c1) entered forwarding state
[  421.393216] Bridge firewalling registered
[  432.007674] br0: port 1(c1) entered disabled state
[  432.007859] c1 (unregistering): left allmulticast mode
[  432.007892] c1 (unregistering): left promiscuous mode
[  432.007927] br0: port 1(c1) entered disabled state
[  432.038662] br0: port 3(c3) entered disabled state
[  432.038754] br0: port 2(c2) entered disabled state
[  432.038878] c3 (unregistering): left allmulticast mode
[  432.038908] c3 (unregistering): left promiscuous mode
[  432.038941] br0: port 3(c3) entered disabled state
[  432.039178] c2 (unregistering): left allmulticast mode
[  432.039207] c2 (unregistering): left promiscuous mode
[  432.039240] br0: port 2(c2) entered disabled state
[  432.066632] sender: left allmulticast mode
[  432.066671] sender: left promiscuous mode
[  432.066704] br0: port 4(sender) entered disabled state