[  440.499704] br0: port 1(c1) entered blocking state
[  440.499813] br0: port 1(c1) entered disabled state
[  440.499887] c1: entered allmulticast mode
[  440.499974] c1: entered promiscuous mode
[  440.519883] br0: port 2(c2) entered blocking state
[  440.519944] br0: port 2(c2) entered disabled state
[  440.519993] c2: entered allmulticast mode
[  440.520049] c2: entered promiscuous mode
[  440.539480] br0: port 3(c3) entered blocking state
[  440.539564] br0: port 3(c3) entered disabled state
[  440.539648] c3: entered allmulticast mode
[  440.539779] c3: entered promiscuous mode
[  440.558716] br0: port 4(sender) entered blocking state
[  440.558808] br0: port 4(sender) entered disabled state
[  440.558883] sender: entered allmulticast mode
[  440.558975] sender: entered promiscuous mode
[  440.566337] br0: port 4(sender) entered blocking state
[  440.566431] br0: port 4(sender) entered forwarding state
[  440.566501] br0: port 3(c3) entered blocking state
[  440.566589] br0: port 3(c3) entered forwarding state
[  440.566657] br0: port 2(c2) entered blocking state
[  440.566762] br0: port 2(c2) entered forwarding state
[  440.566834] br0: port 1(c1) entered blocking state
[  440.566902] br0: port 1(c1) entered forwarding state
[  451.253896] br0: port 1(c1) entered disabled state
[  451.254231] c1 (unregistering): left allmulticast mode
[  451.254293] c1 (unregistering): left promiscuous mode
[  451.254356] br0: port 1(c1) entered disabled state
[  451.298833] br0: port 3(c3) entered disabled state
[  451.298960] br0: port 2(c2) entered disabled state
[  451.299115] c3 (unregistering): left allmulticast mode
[  451.299170] c3 (unregistering): left promiscuous mode
[  451.299211] br0: port 3(c3) entered disabled state
[  451.299501] c2 (unregistering): left allmulticast mode
[  451.299574] c2 (unregistering): left promiscuous mode
[  451.299609] br0: port 2(c2) entered disabled state
[  451.332814] sender: left allmulticast mode
[  451.332858] sender: left promiscuous mode
[  451.332891] br0: port 4(sender) entered disabled state