[  747.369945] br0: port 1(c1) entered blocking state
[  747.370063] br0: port 1(c1) entered disabled state
[  747.370166] c1: entered allmulticast mode
[  747.370336] c1: entered promiscuous mode
[  747.432005] br0: port 2(c2) entered blocking state
[  747.432126] br0: port 2(c2) entered disabled state
[  747.432231] c2: entered allmulticast mode
[  747.432369] c2: entered promiscuous mode
[  747.489750] br0: port 3(c3) entered blocking state
[  747.489821] br0: port 3(c3) entered disabled state
[  747.489888] c3: entered allmulticast mode
[  747.489981] c3: entered promiscuous mode
[  747.551269] br0: port 4(sender) entered blocking state
[  747.551401] br0: port 4(sender) entered disabled state
[  747.551498] sender: entered allmulticast mode
[  747.551641] sender: entered promiscuous mode
[  747.576718] br0: port 4(sender) entered blocking state
[  747.576797] br0: port 4(sender) entered forwarding state
[  747.576858] br0: port 3(c3) entered blocking state
[  747.576913] br0: port 3(c3) entered forwarding state
[  747.576968] br0: port 2(c2) entered blocking state
[  747.577016] br0: port 2(c2) entered forwarding state
[  747.577058] br0: port 1(c1) entered blocking state
[  747.577111] br0: port 1(c1) entered forwarding state
[  758.348489] br0: port 1(c1) entered disabled state
[  758.349085] c1 (unregistering): left allmulticast mode
[  758.349157] c1 (unregistering): left promiscuous mode
[  758.349221] br0: port 1(c1) entered disabled state
[  758.401484] br0: port 2(c2) entered disabled state
[  758.401779] c2 (unregistering): left allmulticast mode
[  758.401880] c2 (unregistering): left promiscuous mode
[  758.401921] br0: port 2(c2) entered disabled state
[  758.441516] br0: port 3(c3) entered disabled state
[  758.441926] c3 (unregistering): left allmulticast mode
[  758.441971] c3 (unregistering): left promiscuous mode
[  758.442011] br0: port 3(c3) entered disabled state
[  758.480506] br0: port 4(sender) entered disabled state
[  758.480839] sender (unregistering): left allmulticast mode
[  758.480953] sender (unregistering): left promiscuous mode
[  758.481042] br0: port 4(sender) entered disabled state