[  491.102579] br0: port 1(c1) entered blocking state
[  491.102654] br0: port 1(c1) entered disabled state
[  491.102717] c1: entered allmulticast mode
[  491.102798] c1: entered promiscuous mode
[  491.147603] br0: port 2(c2) entered blocking state
[  491.147693] br0: port 2(c2) entered disabled state
[  491.147766] c2: entered allmulticast mode
[  491.147846] c2: entered promiscuous mode
[  491.194428] br0: port 3(c3) entered blocking state
[  491.194500] br0: port 3(c3) entered disabled state
[  491.194572] c3: entered allmulticast mode
[  491.194653] c3: entered promiscuous mode
[  491.242548] br0: port 4(sender) entered blocking state
[  491.242638] br0: port 4(sender) entered disabled state
[  491.242702] sender: entered allmulticast mode
[  491.242804] sender: entered promiscuous mode
[  491.262217] br0: port 4(sender) entered blocking state
[  491.262313] br0: port 4(sender) entered forwarding state
[  491.262372] br0: port 3(c3) entered blocking state
[  491.262420] br0: port 3(c3) entered forwarding state
[  491.262470] br0: port 2(c2) entered blocking state
[  491.262519] br0: port 2(c2) entered forwarding state
[  491.262571] br0: port 1(c1) entered blocking state
[  491.262619] br0: port 1(c1) entered forwarding state
[  501.950025] br0: port 1(c1) entered disabled state
[  501.950459] c1 (unregistering): left allmulticast mode
[  501.950504] c1 (unregistering): left promiscuous mode
[  501.950544] br0: port 1(c1) entered disabled state
[  501.981046] br0: port 2(c2) entered disabled state
[  501.981308] c2 (unregistering): left allmulticast mode
[  501.981359] c2 (unregistering): left promiscuous mode
[  501.981398] br0: port 2(c2) entered disabled state
[  502.020023] br0: port 3(c3) entered disabled state
[  502.020240] c3 (unregistering): left allmulticast mode
[  502.020283] c3 (unregistering): left promiscuous mode
[  502.020317] br0: port 3(c3) entered disabled state
[  502.061044] br0: port 4(sender) entered disabled state
[  502.061292] sender (unregistering): left allmulticast mode
[  502.061352] sender (unregistering): left promiscuous mode
[  502.061402] br0: port 4(sender) entered disabled state