[  738.410660] br0: port 1(c1) entered blocking state
[  738.410756] br0: port 1(c1) entered disabled state
[  738.410875] c1: entered allmulticast mode
[  738.411020] c1: entered promiscuous mode
[  738.510694] br0: port 2(c2) entered blocking state
[  738.510844] br0: port 2(c2) entered disabled state
[  738.510941] c2: entered allmulticast mode
[  738.511068] c2: entered promiscuous mode
[  738.618312] br0: port 3(c3) entered blocking state
[  738.618430] br0: port 3(c3) entered disabled state
[  738.618541] c3: entered allmulticast mode
[  738.618677] c3: entered promiscuous mode
[  738.707157] br0: port 4(sender) entered blocking state
[  738.707251] br0: port 4(sender) entered disabled state
[  738.707342] sender: entered allmulticast mode
[  738.707471] sender: entered promiscuous mode
[  738.743486] br0: port 4(sender) entered blocking state
[  738.743619] br0: port 4(sender) entered forwarding state
[  738.743688] br0: port 3(c3) entered blocking state
[  738.743749] br0: port 3(c3) entered forwarding state
[  738.743823] br0: port 2(c2) entered blocking state
[  738.743883] br0: port 2(c2) entered forwarding state
[  738.743937] br0: port 1(c1) entered blocking state
[  738.743991] br0: port 1(c1) entered forwarding state
[  749.557104] br0: port 1(c1) entered disabled state
[  749.557521] c1 (unregistering): left allmulticast mode
[  749.557581] c1 (unregistering): left promiscuous mode
[  749.557632] br0: port 1(c1) entered disabled state
[  749.611065] br0: port 2(c2) entered disabled state
[  749.611505] c2 (unregistering): left allmulticast mode
[  749.611591] c2 (unregistering): left promiscuous mode
[  749.611657] br0: port 2(c2) entered disabled state
[  749.679192] br0: port 3(c3) entered disabled state
[  749.679663] c3 (unregistering): left allmulticast mode
[  749.679739] c3 (unregistering): left promiscuous mode
[  749.679827] br0: port 3(c3) entered disabled state
[  749.749095] br0: port 4(sender) entered disabled state
[  749.749564] sender (unregistering): left allmulticast mode
[  749.749640] sender (unregistering): left promiscuous mode
[  749.749706] br0: port 4(sender) entered disabled state