[  551.662146] br0: port 1(c1) entered blocking state
[  551.662251] br0: port 1(c1) entered disabled state
[  551.662306] c1: entered allmulticast mode
[  551.662374] c1: entered promiscuous mode
[  551.735119] br0: port 2(c2) entered blocking state
[  551.735176] br0: port 2(c2) entered disabled state
[  551.735229] c2: entered allmulticast mode
[  551.735300] c2: entered promiscuous mode
[  551.802451] br0: port 3(c3) entered blocking state
[  551.802512] br0: port 3(c3) entered disabled state
[  551.802565] c3: entered allmulticast mode
[  551.802668] c3: entered promiscuous mode
[  551.876380] br0: port 4(sender) entered blocking state
[  551.876445] br0: port 4(sender) entered disabled state
[  551.876510] sender: entered allmulticast mode
[  551.876598] sender: entered promiscuous mode
[  551.909111] br0: port 4(sender) entered blocking state
[  551.909177] br0: port 4(sender) entered forwarding state
[  551.909232] br0: port 3(c3) entered blocking state
[  551.909275] br0: port 3(c3) entered forwarding state
[  551.909320] br0: port 2(c2) entered blocking state
[  551.909362] br0: port 2(c2) entered forwarding state
[  551.909409] br0: port 1(c1) entered blocking state
[  551.909453] br0: port 1(c1) entered forwarding state
[  562.722944] br0: port 1(c1) entered disabled state
[  562.723280] c1 (unregistering): left allmulticast mode
[  562.723317] c1 (unregistering): left promiscuous mode
[  562.723351] br0: port 1(c1) entered disabled state
[  562.781884] br0: port 2(c2) entered disabled state
[  562.782187] c2 (unregistering): left allmulticast mode
[  562.782248] c2 (unregistering): left promiscuous mode
[  562.782298] br0: port 2(c2) entered disabled state
[  562.839838] br0: port 3(c3) entered disabled state
[  562.840093] c3 (unregistering): left allmulticast mode
[  562.840154] c3 (unregistering): left promiscuous mode
[  562.840218] br0: port 3(c3) entered disabled state
[  562.911825] br0: port 4(sender) entered disabled state
[  562.912246] sender (unregistering): left allmulticast mode
[  562.912296] sender (unregistering): left promiscuous mode
[  562.912347] br0: port 4(sender) entered disabled state