[  491.428780] br0: port 1(c1) entered blocking state
[  491.428852] br0: port 1(c1) entered disabled state
[  491.428922] c1: entered allmulticast mode
[  491.429002] c1: entered promiscuous mode
[  491.476571] br0: port 2(c2) entered blocking state
[  491.476641] br0: port 2(c2) entered disabled state
[  491.476688] c2: entered allmulticast mode
[  491.476750] c2: entered promiscuous mode
[  491.528022] br0: port 3(c3) entered blocking state
[  491.528085] br0: port 3(c3) entered disabled state
[  491.528154] c3: entered allmulticast mode
[  491.528232] c3: entered promiscuous mode
[  491.574472] br0: port 4(sender) entered blocking state
[  491.574533] br0: port 4(sender) entered disabled state
[  491.574588] sender: entered allmulticast mode
[  491.574667] sender: entered promiscuous mode
[  491.592464] br0: port 4(sender) entered blocking state
[  491.592525] br0: port 4(sender) entered forwarding state
[  491.592570] br0: port 3(c3) entered blocking state
[  491.592614] br0: port 3(c3) entered forwarding state
[  491.592650] br0: port 2(c2) entered blocking state
[  491.592689] br0: port 2(c2) entered forwarding state
[  491.592731] br0: port 1(c1) entered blocking state
[  491.592770] br0: port 1(c1) entered forwarding state
[  502.308299] br0: port 1(c1) entered disabled state
[  502.308570] c1 (unregistering): left allmulticast mode
[  502.308618] c1 (unregistering): left promiscuous mode
[  502.308655] br0: port 1(c1) entered disabled state
[  502.349338] br0: port 2(c2) entered disabled state
[  502.349684] c2 (unregistering): left allmulticast mode
[  502.349756] c2 (unregistering): left promiscuous mode
[  502.349801] br0: port 2(c2) entered disabled state
[  502.389270] br0: port 3(c3) entered disabled state
[  502.389513] c3 (unregistering): left allmulticast mode
[  502.389556] c3 (unregistering): left promiscuous mode
[  502.389596] br0: port 3(c3) entered disabled state
[  502.430290] br0: port 4(sender) entered disabled state
[  502.430645] sender (unregistering): left allmulticast mode
[  502.430722] sender (unregistering): left promiscuous mode
[  502.430778] br0: port 4(sender) entered disabled state