[  741.173512] br0: port 1(c1) entered blocking state
[  741.173587] br0: port 1(c1) entered disabled state
[  741.173650] c1: entered allmulticast mode
[  741.173736] c1: entered promiscuous mode
[  741.232929] br0: port 2(c2) entered blocking state
[  741.233048] br0: port 2(c2) entered disabled state
[  741.233125] c2: entered allmulticast mode
[  741.233210] c2: entered promiscuous mode
[  741.291257] br0: port 3(c3) entered blocking state
[  741.291342] br0: port 3(c3) entered disabled state
[  741.291404] c3: entered allmulticast mode
[  741.291483] c3: entered promiscuous mode
[  741.349476] br0: port 4(sender) entered blocking state
[  741.349587] br0: port 4(sender) entered disabled state
[  741.349672] sender: entered allmulticast mode
[  741.349784] sender: entered promiscuous mode
[  741.373406] br0: port 4(sender) entered blocking state
[  741.373503] br0: port 4(sender) entered forwarding state
[  741.373581] br0: port 3(c3) entered blocking state
[  741.373647] br0: port 3(c3) entered forwarding state
[  741.373720] br0: port 2(c2) entered blocking state
[  741.373789] br0: port 2(c2) entered forwarding state
[  741.373862] br0: port 1(c1) entered blocking state
[  741.373932] br0: port 1(c1) entered forwarding state
[  752.124259] br0: port 1(c1) entered disabled state
[  752.124774] c1 (unregistering): left allmulticast mode
[  752.124856] c1 (unregistering): left promiscuous mode
[  752.124910] br0: port 1(c1) entered disabled state
[  752.182258] br0: port 2(c2) entered disabled state
[  752.182607] c2 (unregistering): left allmulticast mode
[  752.182707] c2 (unregistering): left promiscuous mode
[  752.182766] br0: port 2(c2) entered disabled state
[  752.241347] br0: port 3(c3) entered disabled state
[  752.241825] c3 (unregistering): left allmulticast mode
[  752.241902] c3 (unregistering): left promiscuous mode
[  752.241968] br0: port 3(c3) entered disabled state
[  752.307224] br0: port 4(sender) entered disabled state
[  752.307575] sender (unregistering): left allmulticast mode
[  752.307659] sender (unregistering): left promiscuous mode
[  752.307742] br0: port 4(sender) entered disabled state