[  440.239150] br0: port 1(c1) entered blocking state
[  440.239234] br0: port 1(c1) entered disabled state
[  440.239303] c1: entered allmulticast mode
[  440.239406] c1: entered promiscuous mode
[  440.293011] br0: port 2(c2) entered blocking state
[  440.293123] br0: port 2(c2) entered disabled state
[  440.293204] c2: entered allmulticast mode
[  440.293311] c2: entered promiscuous mode
[  440.346224] br0: port 3(c3) entered blocking state
[  440.346312] br0: port 3(c3) entered disabled state
[  440.346381] c3: entered allmulticast mode
[  440.346454] c3: entered promiscuous mode
[  440.397981] br0: port 4(sender) entered blocking state
[  440.398052] br0: port 4(sender) entered disabled state
[  440.398118] sender: entered allmulticast mode
[  440.398209] sender: entered promiscuous mode
[  440.418567] br0: port 4(sender) entered blocking state
[  440.418645] br0: port 4(sender) entered forwarding state
[  440.418696] br0: port 3(c3) entered blocking state
[  440.418749] br0: port 3(c3) entered forwarding state
[  440.418801] br0: port 2(c2) entered blocking state
[  440.418853] br0: port 2(c2) entered forwarding state
[  440.418902] br0: port 1(c1) entered blocking state
[  440.418947] br0: port 1(c1) entered forwarding state
[  451.134529] br0: port 1(c1) entered disabled state
[  451.134865] c1 (unregistering): left allmulticast mode
[  451.134959] c1 (unregistering): left promiscuous mode
[  451.135017] br0: port 1(c1) entered disabled state
[  451.181520] br0: port 2(c2) entered disabled state
[  451.181843] c2 (unregistering): left allmulticast mode
[  451.181895] c2 (unregistering): left promiscuous mode
[  451.181957] br0: port 2(c2) entered disabled state
[  451.220574] br0: port 3(c3) entered disabled state
[  451.221080] c3 (unregistering): left allmulticast mode
[  451.221135] c3 (unregistering): left promiscuous mode
[  451.221220] br0: port 3(c3) entered disabled state
[  451.270550] br0: port 4(sender) entered disabled state
[  451.270955] sender (unregistering): left allmulticast mode
[  451.271048] sender (unregistering): left promiscuous mode
[  451.271108] br0: port 4(sender) entered disabled state