[  491.302151] br0: port 1(c1) entered blocking state
[  491.302230] br0: port 1(c1) entered disabled state
[  491.302295] c1: entered allmulticast mode
[  491.302371] c1: entered promiscuous mode
[  491.349370] br0: port 2(c2) entered blocking state
[  491.349441] br0: port 2(c2) entered disabled state
[  491.349521] c2: entered allmulticast mode
[  491.349594] c2: entered promiscuous mode
[  491.397723] br0: port 3(c3) entered blocking state
[  491.397797] br0: port 3(c3) entered disabled state
[  491.397869] c3: entered allmulticast mode
[  491.397946] c3: entered promiscuous mode
[  491.445981] br0: port 4(sender) entered blocking state
[  491.446052] br0: port 4(sender) entered disabled state
[  491.446111] sender: entered allmulticast mode
[  491.446199] sender: entered promiscuous mode
[  491.465005] br0: port 4(sender) entered blocking state
[  491.465076] br0: port 4(sender) entered forwarding state
[  491.465137] br0: port 3(c3) entered blocking state
[  491.465190] br0: port 3(c3) entered forwarding state
[  491.465244] br0: port 2(c2) entered blocking state
[  491.465299] br0: port 2(c2) entered forwarding state
[  491.465338] br0: port 1(c1) entered blocking state
[  491.465382] br0: port 1(c1) entered forwarding state
[  502.178656] br0: port 1(c1) entered disabled state
[  502.178945] c1 (unregistering): left allmulticast mode
[  502.179020] c1 (unregistering): left promiscuous mode
[  502.179072] br0: port 1(c1) entered disabled state
[  502.211711] br0: port 2(c2) entered disabled state
[  502.212246] c2 (unregistering): left allmulticast mode
[  502.212313] c2 (unregistering): left promiscuous mode
[  502.212373] br0: port 2(c2) entered disabled state
[  502.254693] br0: port 3(c3) entered disabled state
[  502.255057] c3 (unregistering): left allmulticast mode
[  502.255122] c3 (unregistering): left promiscuous mode
[  502.255171] br0: port 3(c3) entered disabled state
[  502.284696] br0: port 4(sender) entered disabled state
[  502.284982] sender (unregistering): left allmulticast mode
[  502.285041] sender (unregistering): left promiscuous mode
[  502.285098] br0: port 4(sender) entered disabled state