[    9.545930] br0: port 1(c1) entered blocking state
[    9.545976] br0: port 1(c1) entered disabled state
[    9.546009] c1: entered allmulticast mode
[    9.546051] c1: entered promiscuous mode
[    9.559403] br0: port 2(c2) entered blocking state
[    9.559432] br0: port 2(c2) entered disabled state
[    9.559463] c2: entered allmulticast mode
[    9.559502] c2: entered promiscuous mode
[    9.572853] br0: port 3(c3) entered blocking state
[    9.572883] br0: port 3(c3) entered disabled state
[    9.572915] c3: entered allmulticast mode
[    9.572954] c3: entered promiscuous mode
[    9.586218] br0: port 4(sender) entered blocking state
[    9.586260] br0: port 4(sender) entered disabled state
[    9.586292] sender: entered allmulticast mode
[    9.586343] sender: entered promiscuous mode
[    9.591527] br0: port 4(sender) entered blocking state
[    9.591589] br0: port 4(sender) entered forwarding state
[    9.591655] br0: port 3(c3) entered blocking state
[    9.591716] br0: port 3(c3) entered forwarding state
[    9.591779] br0: port 2(c2) entered blocking state
[    9.591840] br0: port 2(c2) entered forwarding state
[    9.591903] br0: port 1(c1) entered blocking state
[    9.591962] br0: port 1(c1) entered forwarding state
[   20.235322] br0: port 1(c1) entered disabled state
[   20.235680] c1 (unregistering): left allmulticast mode
[   20.235714] c1 (unregistering): left promiscuous mode
[   20.235746] br0: port 1(c1) entered disabled state
[   20.263354] br0: port 3(c3) entered disabled state
[   20.263427] br0: port 2(c2) entered disabled state
[   20.263586] c3 (unregistering): left allmulticast mode
[   20.263614] c3 (unregistering): left promiscuous mode
[   20.263644] br0: port 3(c3) entered disabled state
[   20.263843] c2 (unregistering): left allmulticast mode
[   20.263872] c2 (unregistering): left promiscuous mode
[   20.263903] br0: port 2(c2) entered disabled state
[   20.295350] sender: left allmulticast mode
[   20.295376] sender: left promiscuous mode
[   20.295407] br0: port 4(sender) entered disabled state