[  576.924033] br0: port 1(c1) entered blocking state
[  576.924102] br0: port 1(c1) entered disabled state
[  576.924171] c1: entered allmulticast mode
[  576.924243] c1: entered promiscuous mode
[  577.015920] br0: port 2(c2) entered blocking state
[  577.015994] br0: port 2(c2) entered disabled state
[  577.016062] c2: entered allmulticast mode
[  577.016149] c2: entered promiscuous mode
[  577.105662] br0: port 3(c3) entered blocking state
[  577.105741] br0: port 3(c3) entered disabled state
[  577.105810] c3: entered allmulticast mode
[  577.105882] c3: entered promiscuous mode
[  577.196885] br0: port 4(sender) entered blocking state
[  577.196954] br0: port 4(sender) entered disabled state
[  577.197019] sender: entered allmulticast mode
[  577.197104] sender: entered promiscuous mode
[  577.231520] br0: port 4(sender) entered blocking state
[  577.231593] br0: port 4(sender) entered forwarding state
[  577.231654] br0: port 3(c3) entered blocking state
[  577.231715] br0: port 3(c3) entered forwarding state
[  577.231772] br0: port 2(c2) entered blocking state
[  577.231824] br0: port 2(c2) entered forwarding state
[  577.231871] br0: port 1(c1) entered blocking state
[  577.231917] br0: port 1(c1) entered forwarding state
[  588.063333] br0: port 1(c1) entered disabled state
[  588.063765] c1 (unregistering): left allmulticast mode
[  588.063829] c1 (unregistering): left promiscuous mode
[  588.063881] br0: port 1(c1) entered disabled state
[  588.120897] br0: port 2(c2) entered disabled state
[  588.121194] c2 (unregistering): left allmulticast mode
[  588.121252] c2 (unregistering): left promiscuous mode
[  588.121308] br0: port 2(c2) entered disabled state
[  588.181962] br0: port 3(c3) entered disabled state
[  588.182344] c3 (unregistering): left allmulticast mode
[  588.182397] c3 (unregistering): left promiscuous mode
[  588.182446] br0: port 3(c3) entered disabled state
[  588.244965] br0: port 4(sender) entered disabled state
[  588.245280] sender (unregistering): left allmulticast mode
[  588.245340] sender (unregistering): left promiscuous mode
[  588.245390] br0: port 4(sender) entered disabled state