[   28.003487] br0: port 1(c1) entered blocking state
[   28.003555] br0: port 1(c1) entered disabled state
[   28.003613] c1: entered allmulticast mode
[   28.003688] c1: entered promiscuous mode
[   28.054711] br0: port 2(c2) entered blocking state
[   28.054773] br0: port 2(c2) entered disabled state
[   28.054824] c2: entered allmulticast mode
[   28.054902] c2: entered promiscuous mode
[   28.105124] br0: port 3(c3) entered blocking state
[   28.105182] br0: port 3(c3) entered disabled state
[   28.105243] c3: entered allmulticast mode
[   28.105329] c3: entered promiscuous mode
[   28.153799] br0: port 4(sender) entered blocking state
[   28.153854] br0: port 4(sender) entered disabled state
[   28.153908] sender: entered allmulticast mode
[   28.154001] sender: entered promiscuous mode
[   28.172376] br0: port 4(sender) entered blocking state
[   28.172424] br0: port 4(sender) entered forwarding state
[   28.172466] br0: port 3(c3) entered blocking state
[   28.172507] br0: port 3(c3) entered forwarding state
[   28.172548] br0: port 2(c2) entered blocking state
[   28.172589] br0: port 2(c2) entered forwarding state
[   28.172634] br0: port 1(c1) entered blocking state
[   28.172675] br0: port 1(c1) entered forwarding state
[   38.939463] br0: port 1(c1) entered disabled state
[   38.939790] c1 (unregistering): left allmulticast mode
[   38.939858] c1 (unregistering): left promiscuous mode
[   38.939903] br0: port 1(c1) entered disabled state
[   38.977460] br0: port 2(c2) entered disabled state
[   38.977737] c2 (unregistering): left allmulticast mode
[   38.977793] c2 (unregistering): left promiscuous mode
[   38.977882] br0: port 2(c2) entered disabled state
[   39.014460] br0: port 3(c3) entered disabled state
[   39.014783] c3 (unregistering): left allmulticast mode
[   39.014867] c3 (unregistering): left promiscuous mode
[   39.014923] br0: port 3(c3) entered disabled state
[   39.051444] br0: port 4(sender) entered disabled state
[   39.051722] sender (unregistering): left allmulticast mode
[   39.051785] sender (unregistering): left promiscuous mode
[   39.051883] br0: port 4(sender) entered disabled state