[  574.971713] br0: port 1(c1) entered blocking state
[  574.971805] br0: port 1(c1) entered disabled state
[  574.971860] c1: entered allmulticast mode
[  574.971934] c1: entered promiscuous mode
[  575.051271] br0: port 2(c2) entered blocking state
[  575.051333] br0: port 2(c2) entered disabled state
[  575.051398] c2: entered allmulticast mode
[  575.051461] c2: entered promiscuous mode
[  575.137905] br0: port 3(c3) entered blocking state
[  575.137963] br0: port 3(c3) entered disabled state
[  575.138016] c3: entered allmulticast mode
[  575.138078] c3: entered promiscuous mode
[  575.226157] br0: port 4(sender) entered blocking state
[  575.226229] br0: port 4(sender) entered disabled state
[  575.226290] sender: entered allmulticast mode
[  575.226386] sender: entered promiscuous mode
[  575.258675] br0: port 4(sender) entered blocking state
[  575.258731] br0: port 4(sender) entered forwarding state
[  575.258773] br0: port 3(c3) entered blocking state
[  575.258808] br0: port 3(c3) entered forwarding state
[  575.258854] br0: port 2(c2) entered blocking state
[  575.258900] br0: port 2(c2) entered forwarding state
[  575.258936] br0: port 1(c1) entered blocking state
[  575.258971] br0: port 1(c1) entered forwarding state
[  586.053680] br0: port 1(c1) entered disabled state
[  586.053973] c1 (unregistering): left allmulticast mode
[  586.054011] c1 (unregistering): left promiscuous mode
[  586.054042] br0: port 1(c1) entered disabled state
[  586.113705] br0: port 2(c2) entered disabled state
[  586.113965] c2 (unregistering): left allmulticast mode
[  586.114001] c2 (unregistering): left promiscuous mode
[  586.114035] br0: port 2(c2) entered disabled state
[  586.170688] br0: port 3(c3) entered disabled state
[  586.170944] c3 (unregistering): left allmulticast mode
[  586.170996] c3 (unregistering): left promiscuous mode
[  586.171049] br0: port 3(c3) entered disabled state
[  586.222684] br0: port 4(sender) entered disabled state
[  586.222924] sender (unregistering): left allmulticast mode
[  586.222977] sender (unregistering): left promiscuous mode
[  586.223026] br0: port 4(sender) entered disabled state