[  423.000632] br0: port 1(c1) entered blocking state
[  423.000697] br0: port 1(c1) entered disabled state
[  423.000750] c1: entered allmulticast mode
[  423.000820] c1: entered promiscuous mode
[  423.047263] br0: port 2(c2) entered blocking state
[  423.047360] br0: port 2(c2) entered disabled state
[  423.047427] c2: entered allmulticast mode
[  423.047509] c2: entered promiscuous mode
[  423.091452] br0: port 3(c3) entered blocking state
[  423.091514] br0: port 3(c3) entered disabled state
[  423.091568] c3: entered allmulticast mode
[  423.091639] c3: entered promiscuous mode
[  423.139108] br0: port 4(sender) entered blocking state
[  423.139210] br0: port 4(sender) entered disabled state
[  423.139280] sender: entered allmulticast mode
[  423.139400] sender: entered promiscuous mode
[  423.158257] br0: port 4(sender) entered blocking state
[  423.158331] br0: port 4(sender) entered forwarding state
[  423.158397] br0: port 3(c3) entered blocking state
[  423.158457] br0: port 3(c3) entered forwarding state
[  423.158510] br0: port 2(c2) entered blocking state
[  423.158567] br0: port 2(c2) entered forwarding state
[  423.158622] br0: port 1(c1) entered blocking state
[  423.158672] br0: port 1(c1) entered forwarding state
[  433.864031] br0: port 1(c1) entered disabled state
[  433.864399] c1 (unregistering): left allmulticast mode
[  433.864472] c1 (unregistering): left promiscuous mode
[  433.864522] br0: port 1(c1) entered disabled state
[  433.898970] br0: port 2(c2) entered disabled state
[  433.899186] c2 (unregistering): left allmulticast mode
[  433.899233] c2 (unregistering): left promiscuous mode
[  433.899277] br0: port 2(c2) entered disabled state
[  433.935992] br0: port 3(c3) entered disabled state
[  433.936216] c3 (unregistering): left allmulticast mode
[  433.936265] c3 (unregistering): left promiscuous mode
[  433.936303] br0: port 3(c3) entered disabled state
[  433.969983] br0: port 4(sender) entered disabled state
[  433.970221] sender (unregistering): left allmulticast mode
[  433.970282] sender (unregistering): left promiscuous mode
[  433.970328] br0: port 4(sender) entered disabled state