[  375.968817] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  375.981347] br0: port 1(c1) entered blocking state
[  375.981413] br0: port 1(c1) entered disabled state
[  375.981476] c1: entered allmulticast mode
[  375.981549] c1: entered promiscuous mode
[  375.993498] br0: port 2(c2) entered blocking state
[  375.993533] br0: port 2(c2) entered disabled state
[  375.993568] c2: entered allmulticast mode
[  375.993604] c2: entered promiscuous mode
[  376.005480] br0: port 3(c3) entered blocking state
[  376.005541] br0: port 3(c3) entered disabled state
[  376.005603] c3: entered allmulticast mode
[  376.005673] c3: entered promiscuous mode
[  376.017546] br0: port 4(sender) entered blocking state
[  376.017581] br0: port 4(sender) entered disabled state
[  376.017617] sender: entered allmulticast mode
[  376.017666] sender: entered promiscuous mode
[  376.022433] br0: port 4(sender) entered blocking state
[  376.022468] br0: port 4(sender) entered forwarding state
[  376.022501] br0: port 3(c3) entered blocking state
[  376.022532] br0: port 3(c3) entered forwarding state
[  376.022561] br0: port 2(c2) entered blocking state
[  376.022592] br0: port 2(c2) entered forwarding state
[  376.022617] br0: port 1(c1) entered blocking state
[  376.022649] br0: port 1(c1) entered forwarding state
[  376.029310] Bridge firewalling registered
[  386.660300] br0: port 1(c1) entered disabled state
[  386.660742] c1 (unregistering): left allmulticast mode
[  386.660809] c1 (unregistering): left promiscuous mode
[  386.660850] br0: port 1(c1) entered disabled state
[  386.680112] br0: port 2(c2) entered disabled state
[  386.680363] c2 (unregistering): left allmulticast mode
[  386.680410] c2 (unregistering): left promiscuous mode
[  386.680472] br0: port 2(c2) entered disabled state
[  386.701112] br0: port 4(sender) entered disabled state
[  386.701194] br0: port 3(c3) entered disabled state
[  386.701336] sender (unregistering): left allmulticast mode
[  386.701435] sender (unregistering): left promiscuous mode
[  386.701484] br0: port 4(sender) entered disabled state
[  386.701787] c3 (unregistering): left allmulticast mode
[  386.701830] c3 (unregistering): left promiscuous mode
[  386.701863] br0: port 3(c3) entered disabled state