[  751.514317] br0: port 1(c1) entered blocking state
[  751.514406] br0: port 1(c1) entered disabled state
[  751.514492] c1: entered allmulticast mode
[  751.514598] c1: entered promiscuous mode
[  751.603969] br0: port 2(c2) entered blocking state
[  751.604064] br0: port 2(c2) entered disabled state
[  751.604146] c2: entered allmulticast mode
[  751.604258] c2: entered promiscuous mode
[  751.698482] br0: port 3(c3) entered blocking state
[  751.698581] br0: port 3(c3) entered disabled state
[  751.698671] c3: entered allmulticast mode
[  751.698802] c3: entered promiscuous mode
[  751.779548] br0: port 4(sender) entered blocking state
[  751.779623] br0: port 4(sender) entered disabled state
[  751.779691] sender: entered allmulticast mode
[  751.779816] sender: entered promiscuous mode
[  751.806466] br0: port 4(sender) entered blocking state
[  751.806538] br0: port 4(sender) entered forwarding state
[  751.806584] br0: port 3(c3) entered blocking state
[  751.806648] br0: port 3(c3) entered forwarding state
[  751.806708] br0: port 2(c2) entered blocking state
[  751.806759] br0: port 2(c2) entered forwarding state
[  751.806822] br0: port 1(c1) entered blocking state
[  751.806872] br0: port 1(c1) entered forwarding state
[  762.554984] br0: port 1(c1) entered disabled state
[  762.555377] c1 (unregistering): left allmulticast mode
[  762.555432] c1 (unregistering): left promiscuous mode
[  762.555483] br0: port 1(c1) entered disabled state
[  762.605986] br0: port 2(c2) entered disabled state
[  762.606316] c2 (unregistering): left allmulticast mode
[  762.606366] c2 (unregistering): left promiscuous mode
[  762.606406] br0: port 2(c2) entered disabled state
[  762.648987] br0: port 3(c3) entered disabled state
[  762.649456] c3 (unregistering): left allmulticast mode
[  762.649525] c3 (unregistering): left promiscuous mode
[  762.649580] br0: port 3(c3) entered disabled state
[  762.700041] br0: port 4(sender) entered disabled state
[  762.700311] sender (unregistering): left allmulticast mode
[  762.700372] sender (unregistering): left promiscuous mode
[  762.700426] br0: port 4(sender) entered disabled state