[  740.967693] br0: port 1(c1) entered blocking state
[  740.967771] br0: port 1(c1) entered disabled state
[  740.967841] c1: entered allmulticast mode
[  740.967919] c1: entered promiscuous mode
[  741.014140] br0: port 2(c2) entered blocking state
[  741.014222] br0: port 2(c2) entered disabled state
[  741.014287] c2: entered allmulticast mode
[  741.014364] c2: entered promiscuous mode
[  741.059120] br0: port 3(c3) entered blocking state
[  741.059180] br0: port 3(c3) entered disabled state
[  741.059239] c3: entered allmulticast mode
[  741.059317] c3: entered promiscuous mode
[  741.104482] br0: port 4(sender) entered blocking state
[  741.104577] br0: port 4(sender) entered disabled state
[  741.104649] sender: entered allmulticast mode
[  741.104760] sender: entered promiscuous mode
[  741.123170] br0: port 4(sender) entered blocking state
[  741.123234] br0: port 4(sender) entered forwarding state
[  741.123295] br0: port 3(c3) entered blocking state
[  741.123343] br0: port 3(c3) entered forwarding state
[  741.123387] br0: port 2(c2) entered blocking state
[  741.123429] br0: port 2(c2) entered forwarding state
[  741.123474] br0: port 1(c1) entered blocking state
[  741.123513] br0: port 1(c1) entered forwarding state
[  751.848011] br0: port 1(c1) entered disabled state
[  751.848340] c1 (unregistering): left allmulticast mode
[  751.848408] c1 (unregistering): left promiscuous mode
[  751.848457] br0: port 1(c1) entered disabled state
[  751.899044] br0: port 2(c2) entered disabled state
[  751.899499] c2 (unregistering): left allmulticast mode
[  751.899568] c2 (unregistering): left promiscuous mode
[  751.899619] br0: port 2(c2) entered disabled state
[  751.934050] br0: port 3(c3) entered disabled state
[  751.934364] c3 (unregistering): left allmulticast mode
[  751.934418] c3 (unregistering): left promiscuous mode
[  751.934473] br0: port 3(c3) entered disabled state
[  751.977970] br0: port 4(sender) entered disabled state
[  751.978271] sender (unregistering): left allmulticast mode
[  751.978325] sender (unregistering): left promiscuous mode
[  751.978393] br0: port 4(sender) entered disabled state