[  492.960776] br0: port 1(c1) entered blocking state
[  492.960849] br0: port 1(c1) entered disabled state
[  492.960915] c1: entered allmulticast mode
[  492.961014] c1: entered promiscuous mode
[  493.013343] br0: port 2(c2) entered blocking state
[  493.013406] br0: port 2(c2) entered disabled state
[  493.013466] c2: entered allmulticast mode
[  493.013539] c2: entered promiscuous mode
[  493.064622] br0: port 3(c3) entered blocking state
[  493.064717] br0: port 3(c3) entered disabled state
[  493.064781] c3: entered allmulticast mode
[  493.064858] c3: entered promiscuous mode
[  493.112338] br0: port 4(sender) entered blocking state
[  493.112402] br0: port 4(sender) entered disabled state
[  493.112452] sender: entered allmulticast mode
[  493.112542] sender: entered promiscuous mode
[  493.131725] br0: port 4(sender) entered blocking state
[  493.131798] br0: port 4(sender) entered forwarding state
[  493.131853] br0: port 3(c3) entered blocking state
[  493.131906] br0: port 3(c3) entered forwarding state
[  493.131963] br0: port 2(c2) entered blocking state
[  493.132032] br0: port 2(c2) entered forwarding state
[  493.132095] br0: port 1(c1) entered blocking state
[  493.132142] br0: port 1(c1) entered forwarding state
[  503.833120] br0: port 1(c1) entered disabled state
[  503.833457] c1 (unregistering): left allmulticast mode
[  503.833525] c1 (unregistering): left promiscuous mode
[  503.833586] br0: port 1(c1) entered disabled state
[  503.894110] br0: port 2(c2) entered disabled state
[  503.894382] c2 (unregistering): left allmulticast mode
[  503.894448] c2 (unregistering): left promiscuous mode
[  503.894508] br0: port 2(c2) entered disabled state
[  503.936160] br0: port 3(c3) entered disabled state
[  503.936520] c3 (unregistering): left allmulticast mode
[  503.936582] c3 (unregistering): left promiscuous mode
[  503.936646] br0: port 3(c3) entered disabled state
[  503.986149] br0: port 4(sender) entered disabled state
[  503.986511] sender (unregistering): left allmulticast mode
[  503.986575] sender (unregistering): left promiscuous mode
[  503.986622] br0: port 4(sender) entered disabled state