[  751.512949] br0: port 1(c1) entered blocking state
[  751.513029] br0: port 1(c1) entered disabled state
[  751.513109] c1: entered allmulticast mode
[  751.513206] c1: entered promiscuous mode
[  751.559680] br0: port 2(c2) entered blocking state
[  751.559756] br0: port 2(c2) entered disabled state
[  751.559822] c2: entered allmulticast mode
[  751.559938] c2: entered promiscuous mode
[  751.605699] br0: port 3(c3) entered blocking state
[  751.605778] br0: port 3(c3) entered disabled state
[  751.605868] c3: entered allmulticast mode
[  751.605956] c3: entered promiscuous mode
[  751.652842] br0: port 4(sender) entered blocking state
[  751.652937] br0: port 4(sender) entered disabled state
[  751.653019] sender: entered allmulticast mode
[  751.653127] sender: entered promiscuous mode
[  751.672806] br0: port 4(sender) entered blocking state
[  751.672888] br0: port 4(sender) entered forwarding state
[  751.672956] br0: port 3(c3) entered blocking state
[  751.673013] br0: port 3(c3) entered forwarding state
[  751.673068] br0: port 2(c2) entered blocking state
[  751.673122] br0: port 2(c2) entered forwarding state
[  751.673176] br0: port 1(c1) entered blocking state
[  751.673229] br0: port 1(c1) entered forwarding state
[  762.407036] br0: port 1(c1) entered disabled state
[  762.407444] c1 (unregistering): left allmulticast mode
[  762.407492] c1 (unregistering): left promiscuous mode
[  762.407528] br0: port 1(c1) entered disabled state
[  762.451023] br0: port 2(c2) entered disabled state
[  762.451311] c2 (unregistering): left allmulticast mode
[  762.451378] c2 (unregistering): left promiscuous mode
[  762.451433] br0: port 2(c2) entered disabled state
[  762.488043] br0: port 3(c3) entered disabled state
[  762.488435] c3 (unregistering): left allmulticast mode
[  762.488507] c3 (unregistering): left promiscuous mode
[  762.488544] br0: port 3(c3) entered disabled state
[  762.529020] br0: port 4(sender) entered disabled state
[  762.529349] sender (unregistering): left allmulticast mode
[  762.529396] sender (unregistering): left promiscuous mode
[  762.529455] br0: port 4(sender) entered disabled state