[  556.714538] br0: port 1(c1) entered blocking state
[  556.714618] br0: port 1(c1) entered disabled state
[  556.714683] c1: entered allmulticast mode
[  556.714755] c1: entered promiscuous mode
[  556.806012] br0: port 2(c2) entered blocking state
[  556.806090] br0: port 2(c2) entered disabled state
[  556.806176] c2: entered allmulticast mode
[  556.806257] c2: entered promiscuous mode
[  556.898332] br0: port 3(c3) entered blocking state
[  556.898408] br0: port 3(c3) entered disabled state
[  556.898478] c3: entered allmulticast mode
[  556.898567] c3: entered promiscuous mode
[  556.988810] br0: port 4(sender) entered blocking state
[  556.988893] br0: port 4(sender) entered disabled state
[  556.988964] sender: entered allmulticast mode
[  556.989054] sender: entered promiscuous mode
[  557.023536] br0: port 4(sender) entered blocking state
[  557.023606] br0: port 4(sender) entered forwarding state
[  557.023655] br0: port 3(c3) entered blocking state
[  557.023705] br0: port 3(c3) entered forwarding state
[  557.023758] br0: port 2(c2) entered blocking state
[  557.023805] br0: port 2(c2) entered forwarding state
[  557.023851] br0: port 1(c1) entered blocking state
[  557.023903] br0: port 1(c1) entered forwarding state
[  567.822112] br0: port 1(c1) entered disabled state
[  567.822391] c1 (unregistering): left allmulticast mode
[  567.822464] c1 (unregistering): left promiscuous mode
[  567.822519] br0: port 1(c1) entered disabled state
[  567.895069] br0: port 2(c2) entered disabled state
[  567.895359] c2 (unregistering): left allmulticast mode
[  567.895419] c2 (unregistering): left promiscuous mode
[  567.895466] br0: port 2(c2) entered disabled state
[  567.954128] br0: port 3(c3) entered disabled state
[  567.954413] c3 (unregistering): left allmulticast mode
[  567.954468] c3 (unregistering): left promiscuous mode
[  567.954513] br0: port 3(c3) entered disabled state
[  568.019094] br0: port 4(sender) entered disabled state
[  568.019402] sender (unregistering): left allmulticast mode
[  568.019445] sender (unregistering): left promiscuous mode
[  568.019490] br0: port 4(sender) entered disabled state