[  574.950862] br0: port 1(c1) entered blocking state
[  574.950922] br0: port 1(c1) entered disabled state
[  574.950980] c1: entered allmulticast mode
[  574.951045] c1: entered promiscuous mode
[  575.031334] br0: port 2(c2) entered blocking state
[  575.031394] br0: port 2(c2) entered disabled state
[  575.031450] c2: entered allmulticast mode
[  575.031517] c2: entered promiscuous mode
[  575.116779] br0: port 3(c3) entered blocking state
[  575.116862] br0: port 3(c3) entered disabled state
[  575.116931] c3: entered allmulticast mode
[  575.117010] c3: entered promiscuous mode
[  575.202215] br0: port 4(sender) entered blocking state
[  575.202291] br0: port 4(sender) entered disabled state
[  575.202361] sender: entered allmulticast mode
[  575.202450] sender: entered promiscuous mode
[  575.236714] br0: port 4(sender) entered blocking state
[  575.236798] br0: port 4(sender) entered forwarding state
[  575.236862] br0: port 3(c3) entered blocking state
[  575.236915] br0: port 3(c3) entered forwarding state
[  575.236962] br0: port 2(c2) entered blocking state
[  575.237011] br0: port 2(c2) entered forwarding state
[  575.237059] br0: port 1(c1) entered blocking state
[  575.237107] br0: port 1(c1) entered forwarding state
[  586.016073] br0: port 1(c1) entered disabled state
[  586.016429] c1 (unregistering): left allmulticast mode
[  586.016467] c1 (unregistering): left promiscuous mode
[  586.016503] br0: port 1(c1) entered disabled state
[  586.077027] br0: port 2(c2) entered disabled state
[  586.077332] c2 (unregistering): left allmulticast mode
[  586.077371] c2 (unregistering): left promiscuous mode
[  586.077408] br0: port 2(c2) entered disabled state
[  586.146010] br0: port 3(c3) entered disabled state
[  586.146278] c3 (unregistering): left allmulticast mode
[  586.146349] c3 (unregistering): left promiscuous mode
[  586.146393] br0: port 3(c3) entered disabled state
[  586.195115] br0: port 4(sender) entered disabled state
[  586.195366] sender (unregistering): left allmulticast mode
[  586.195409] sender (unregistering): left promiscuous mode
[  586.195453] br0: port 4(sender) entered disabled state