[  756.735593] br0: port 1(c1) entered blocking state
[  756.735704] br0: port 1(c1) entered disabled state
[  756.735814] c1: entered allmulticast mode
[  756.735936] c1: entered promiscuous mode
[  756.794009] br0: port 2(c2) entered blocking state
[  756.794090] br0: port 2(c2) entered disabled state
[  756.794158] c2: entered allmulticast mode
[  756.794249] c2: entered promiscuous mode
[  756.849954] br0: port 3(c3) entered blocking state
[  756.850053] br0: port 3(c3) entered disabled state
[  756.850126] c3: entered allmulticast mode
[  756.850225] c3: entered promiscuous mode
[  756.906295] br0: port 4(sender) entered blocking state
[  756.906370] br0: port 4(sender) entered disabled state
[  756.906432] sender: entered allmulticast mode
[  756.906515] sender: entered promiscuous mode
[  756.928101] br0: port 4(sender) entered blocking state
[  756.928165] br0: port 4(sender) entered forwarding state
[  756.928214] br0: port 3(c3) entered blocking state
[  756.928255] br0: port 3(c3) entered forwarding state
[  756.928295] br0: port 2(c2) entered blocking state
[  756.928335] br0: port 2(c2) entered forwarding state
[  756.928380] br0: port 1(c1) entered blocking state
[  756.928421] br0: port 1(c1) entered forwarding state
[  767.656928] br0: port 1(c1) entered disabled state
[  767.657308] c1 (unregistering): left allmulticast mode
[  767.657370] c1 (unregistering): left promiscuous mode
[  767.657413] br0: port 1(c1) entered disabled state
[  767.707921] br0: port 2(c2) entered disabled state
[  767.708310] c2 (unregistering): left allmulticast mode
[  767.708389] c2 (unregistering): left promiscuous mode
[  767.708449] br0: port 2(c2) entered disabled state
[  767.752893] br0: port 3(c3) entered disabled state
[  767.753296] c3 (unregistering): left allmulticast mode
[  767.753377] c3 (unregistering): left promiscuous mode
[  767.753420] br0: port 3(c3) entered disabled state
[  767.801920] br0: port 4(sender) entered disabled state
[  767.802310] sender (unregistering): left allmulticast mode
[  767.802401] sender (unregistering): left promiscuous mode
[  767.802482] br0: port 4(sender) entered disabled state