[  451.624241] br0: port 1(c1) entered blocking state
[  451.624343] br0: port 1(c1) entered disabled state
[  451.624412] c1: entered allmulticast mode
[  451.624504] c1: entered promiscuous mode
[  451.686810] br0: port 2(c2) entered blocking state
[  451.686884] br0: port 2(c2) entered disabled state
[  451.686993] c2: entered allmulticast mode
[  451.687095] c2: entered promiscuous mode
[  451.748288] br0: port 3(c3) entered blocking state
[  451.748348] br0: port 3(c3) entered disabled state
[  451.748409] c3: entered allmulticast mode
[  451.748494] c3: entered promiscuous mode
[  451.809767] br0: port 4(sender) entered blocking state
[  451.809831] br0: port 4(sender) entered disabled state
[  451.809896] sender: entered allmulticast mode
[  451.810009] sender: entered promiscuous mode
[  451.832283] br0: port 4(sender) entered blocking state
[  451.832372] br0: port 4(sender) entered forwarding state
[  451.832428] br0: port 3(c3) entered blocking state
[  451.832473] br0: port 3(c3) entered forwarding state
[  451.832523] br0: port 2(c2) entered blocking state
[  451.832568] br0: port 2(c2) entered forwarding state
[  451.832618] br0: port 1(c1) entered blocking state
[  451.832663] br0: port 1(c1) entered forwarding state
[  462.572330] br0: port 1(c1) entered disabled state
[  462.572636] c1 (unregistering): left allmulticast mode
[  462.572693] c1 (unregistering): left promiscuous mode
[  462.572742] br0: port 1(c1) entered disabled state
[  462.616390] br0: port 2(c2) entered disabled state
[  462.616786] c2 (unregistering): left allmulticast mode
[  462.616864] c2 (unregistering): left promiscuous mode
[  462.616989] br0: port 2(c2) entered disabled state
[  462.658335] br0: port 3(c3) entered disabled state
[  462.658694] c3 (unregistering): left allmulticast mode
[  462.658771] c3 (unregistering): left promiscuous mode
[  462.658835] br0: port 3(c3) entered disabled state
[  462.697369] br0: port 4(sender) entered disabled state
[  462.697736] sender (unregistering): left allmulticast mode
[  462.697803] sender (unregistering): left promiscuous mode
[  462.697855] br0: port 4(sender) entered disabled state