[  750.170726] br0: port 1(c1) entered blocking state
[  750.170802] br0: port 1(c1) entered disabled state
[  750.170886] c1: entered allmulticast mode
[  750.170985] c1: entered promiscuous mode
[  750.223646] br0: port 2(c2) entered blocking state
[  750.223709] br0: port 2(c2) entered disabled state
[  750.223772] c2: entered allmulticast mode
[  750.223840] c2: entered promiscuous mode
[  750.276991] br0: port 3(c3) entered blocking state
[  750.277084] br0: port 3(c3) entered disabled state
[  750.277157] c3: entered allmulticast mode
[  750.277242] c3: entered promiscuous mode
[  750.328074] br0: port 4(sender) entered blocking state
[  750.328138] br0: port 4(sender) entered disabled state
[  750.328211] sender: entered allmulticast mode
[  750.328304] sender: entered promiscuous mode
[  750.347776] br0: port 4(sender) entered blocking state
[  750.347844] br0: port 4(sender) entered forwarding state
[  750.347901] br0: port 3(c3) entered blocking state
[  750.347961] br0: port 3(c3) entered forwarding state
[  750.348020] br0: port 2(c2) entered blocking state
[  750.348073] br0: port 2(c2) entered forwarding state
[  750.348129] br0: port 1(c1) entered blocking state
[  750.348186] br0: port 1(c1) entered forwarding state
[  761.122190] br0: port 1(c1) entered disabled state
[  761.122614] c1 (unregistering): left allmulticast mode
[  761.122663] c1 (unregistering): left promiscuous mode
[  761.122703] br0: port 1(c1) entered disabled state
[  761.169209] br0: port 2(c2) entered disabled state
[  761.169552] c2 (unregistering): left allmulticast mode
[  761.169644] c2 (unregistering): left promiscuous mode
[  761.169692] br0: port 2(c2) entered disabled state
[  761.215187] br0: port 3(c3) entered disabled state
[  761.215443] c3 (unregistering): left allmulticast mode
[  761.215491] c3 (unregistering): left promiscuous mode
[  761.215561] br0: port 3(c3) entered disabled state
[  761.246214] br0: port 4(sender) entered disabled state
[  761.246502] sender (unregistering): left allmulticast mode
[  761.246565] sender (unregistering): left promiscuous mode
[  761.246607] br0: port 4(sender) entered disabled state