[  752.603463] br0: port 1(c1) entered blocking state
[  752.603540] br0: port 1(c1) entered disabled state
[  752.603604] c1: entered allmulticast mode
[  752.603696] c1: entered promiscuous mode
[  752.665216] br0: port 2(c2) entered blocking state
[  752.665313] br0: port 2(c2) entered disabled state
[  752.665396] c2: entered allmulticast mode
[  752.665494] c2: entered promiscuous mode
[  752.721778] br0: port 3(c3) entered blocking state
[  752.721846] br0: port 3(c3) entered disabled state
[  752.721921] c3: entered allmulticast mode
[  752.722018] c3: entered promiscuous mode
[  752.777498] br0: port 4(sender) entered blocking state
[  752.777567] br0: port 4(sender) entered disabled state
[  752.777645] sender: entered allmulticast mode
[  752.777754] sender: entered promiscuous mode
[  752.799768] br0: port 4(sender) entered blocking state
[  752.799836] br0: port 4(sender) entered forwarding state
[  752.799904] br0: port 3(c3) entered blocking state
[  752.799964] br0: port 3(c3) entered forwarding state
[  752.800020] br0: port 2(c2) entered blocking state
[  752.800085] br0: port 2(c2) entered forwarding state
[  752.800140] br0: port 1(c1) entered blocking state
[  752.800197] br0: port 1(c1) entered forwarding state
[  763.547446] br0: port 1(c1) entered disabled state
[  763.547846] c1 (unregistering): left allmulticast mode
[  763.547951] c1 (unregistering): left promiscuous mode
[  763.548042] br0: port 1(c1) entered disabled state
[  763.593435] br0: port 2(c2) entered disabled state
[  763.593838] c2 (unregistering): left allmulticast mode
[  763.593909] c2 (unregistering): left promiscuous mode
[  763.593963] br0: port 2(c2) entered disabled state
[  763.626416] br0: port 3(c3) entered disabled state
[  763.626701] c3 (unregistering): left allmulticast mode
[  763.626755] c3 (unregistering): left promiscuous mode
[  763.626789] br0: port 3(c3) entered disabled state
[  763.668424] br0: port 4(sender) entered disabled state
[  763.668753] sender (unregistering): left allmulticast mode
[  763.668813] sender (unregistering): left promiscuous mode
[  763.668862] br0: port 4(sender) entered disabled state