[  552.108847] br0: port 1(c1) entered blocking state
[  552.108907] br0: port 1(c1) entered disabled state
[  552.108959] c1: entered allmulticast mode
[  552.109044] c1: entered promiscuous mode
[  552.183349] br0: port 2(c2) entered blocking state
[  552.183406] br0: port 2(c2) entered disabled state
[  552.183458] c2: entered allmulticast mode
[  552.183530] c2: entered promiscuous mode
[  552.260416] br0: port 3(c3) entered blocking state
[  552.260471] br0: port 3(c3) entered disabled state
[  552.260522] c3: entered allmulticast mode
[  552.260594] c3: entered promiscuous mode
[  552.336140] br0: port 4(sender) entered blocking state
[  552.336197] br0: port 4(sender) entered disabled state
[  552.336249] sender: entered allmulticast mode
[  552.336319] sender: entered promiscuous mode
[  552.366523] br0: port 4(sender) entered blocking state
[  552.366582] br0: port 4(sender) entered forwarding state
[  552.366626] br0: port 3(c3) entered blocking state
[  552.366672] br0: port 3(c3) entered forwarding state
[  552.366715] br0: port 2(c2) entered blocking state
[  552.366757] br0: port 2(c2) entered forwarding state
[  552.366797] br0: port 1(c1) entered blocking state
[  552.366832] br0: port 1(c1) entered forwarding state
[  563.135897] br0: port 1(c1) entered disabled state
[  563.136190] c1 (unregistering): left allmulticast mode
[  563.136232] c1 (unregistering): left promiscuous mode
[  563.136271] br0: port 1(c1) entered disabled state
[  563.195844] br0: port 2(c2) entered disabled state
[  563.196142] c2 (unregistering): left allmulticast mode
[  563.196193] c2 (unregistering): left promiscuous mode
[  563.196232] br0: port 2(c2) entered disabled state
[  563.262816] br0: port 3(c3) entered disabled state
[  563.263091] c3 (unregistering): left allmulticast mode
[  563.263142] c3 (unregistering): left promiscuous mode
[  563.263178] br0: port 3(c3) entered disabled state
[  563.315814] br0: port 4(sender) entered disabled state
[  563.316051] sender (unregistering): left allmulticast mode
[  563.316106] sender (unregistering): left promiscuous mode
[  563.316150] br0: port 4(sender) entered disabled state