[  551.328916] br0: port 1(c1) entered blocking state
[  551.328995] br0: port 1(c1) entered disabled state
[  551.329059] c1: entered allmulticast mode
[  551.329129] c1: entered promiscuous mode
[  551.416782] br0: port 2(c2) entered blocking state
[  551.416851] br0: port 2(c2) entered disabled state
[  551.416909] c2: entered allmulticast mode
[  551.416991] c2: entered promiscuous mode
[  551.501033] br0: port 3(c3) entered blocking state
[  551.501102] br0: port 3(c3) entered disabled state
[  551.501166] c3: entered allmulticast mode
[  551.501237] c3: entered promiscuous mode
[  551.588333] br0: port 4(sender) entered blocking state
[  551.588413] br0: port 4(sender) entered disabled state
[  551.588486] sender: entered allmulticast mode
[  551.588581] sender: entered promiscuous mode
[  551.626085] br0: port 4(sender) entered blocking state
[  551.626162] br0: port 4(sender) entered forwarding state
[  551.626224] br0: port 3(c3) entered blocking state
[  551.626281] br0: port 3(c3) entered forwarding state
[  551.626330] br0: port 2(c2) entered blocking state
[  551.626379] br0: port 2(c2) entered forwarding state
[  551.626430] br0: port 1(c1) entered blocking state
[  551.626480] br0: port 1(c1) entered forwarding state
[  562.455832] br0: port 1(c1) entered disabled state
[  562.456129] c1 (unregistering): left allmulticast mode
[  562.456186] c1 (unregistering): left promiscuous mode
[  562.456229] br0: port 1(c1) entered disabled state
[  562.516799] br0: port 2(c2) entered disabled state
[  562.517077] c2 (unregistering): left allmulticast mode
[  562.517115] c2 (unregistering): left promiscuous mode
[  562.517149] br0: port 2(c2) entered disabled state
[  562.575835] br0: port 3(c3) entered disabled state
[  562.576123] c3 (unregistering): left allmulticast mode
[  562.576187] c3 (unregistering): left promiscuous mode
[  562.576246] br0: port 3(c3) entered disabled state
[  562.636791] br0: port 4(sender) entered disabled state
[  562.637050] sender (unregistering): left allmulticast mode
[  562.637091] sender (unregistering): left promiscuous mode
[  562.637128] br0: port 4(sender) entered disabled state